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#376 2021-03-11 04:18:45

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Trigonometry


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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#377 2021-03-11 16:16:50

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,476

Re: Trigonometry

Hi,

Good attempt!

T#209.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#378 2021-03-12 04:41:38

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Trigonometry


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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#379 2021-03-12 16:13:04

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,476

Re: Trigonometry

Hi,

Neat work!

T#210.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#380 2021-03-13 04:14:42

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Trigonometry


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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#381 2021-03-13 15:28:26

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,476

Re: Trigonometry

Hi,

Neat work!

T#211.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#382 2021-03-14 04:45:59

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Trigonometry


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Offline

#383 2021-03-14 15:12:42

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,476

Re: Trigonometry

Hi,

Excellent!

T#212.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#384 2021-03-15 03:46:30

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Trigonometry


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Offline

#385 2021-03-15 15:37:56

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,476

Re: Trigonometry

Hi,

Neat work!

T#213.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#386 2021-03-16 03:05:07

Bob
Administrator
Registered: 2010-06-20
Posts: 10,627

Re: Trigonometry

hi,

Thought I'd have a go at one of these:

Bob


Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob smile

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#387 2021-03-16 03:18:01

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Trigonometry


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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#388 2021-03-16 15:23:57

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,476

Re: Trigonometry

Hi Bob and irspow,

Excellent!

T#214.

.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#389 2021-03-16 23:45:53

Bob
Administrator
Registered: 2010-06-20
Posts: 10,627

Re: Trigonometry

Will you accept

as an answer?

Bob


Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob smile

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#390 2021-03-17 00:10:21

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,476

Re: Trigonometry

Hi Bob,

Please check whether it is correct!

T#215.

.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#391 2021-03-17 03:28:59

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Trigonometry


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Offline

#392 2021-03-17 06:07:53

Bob
Administrator
Registered: 2010-06-20
Posts: 10,627

Re: Trigonometry

hi ganesh,

Did you see that I added a better second answer which is the same as yours #214.  My method was different but arrived at the same final simplification.

Now to try  215 smile

edit

Bob


Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob smile

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#393 2021-03-17 14:06:47

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,476

Re: Trigonometry

Hi Bob and irspow,

Excellent, Bob and irspow!

T#216.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#394 2021-03-18 05:28:33

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Trigonometry


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Offline

#395 2021-03-18 15:08:29

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,476

Re: Trigonometry

Hi,

Neat work!

T#217.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#396 2021-03-18 21:18:26

Bob
Administrator
Registered: 2010-06-20
Posts: 10,627

Re: Trigonometry

re: post 393.  I've looked back to my paperwork and I had plus then.  Careless typo!

Bob


Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob smile

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#397 2021-03-19 00:05:38

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,476

Re: Trigonometry

Hi Bob,

Excellent!

T#218.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#398 2021-03-19 02:31:35

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Trigonometry


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Offline

#399 2021-03-19 03:30:21

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,476

Re: Trigonometry

Hi irspow,

Neat work!

T#219.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#400 2021-03-19 04:53:47

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Trigonometry


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

Offline

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