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Trigonometry Problem
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IGCSE/GCSE/O & A Level/IB/University Student Forum
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Trigonometry Problem
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Topic: Trigonometry Problem (Read 2922 times)
ashwinkandel
SF Citizen
Posts: 144
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Trigonometry Problem
«
on:
September 27, 2011, 05:06:33 am »
Hey guys, How to solve this :
[Right Click the image and click view image to see the enlarged version]
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astarmathsandphysics
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Free the exam papers!
Re: Trigonometry Problem
«
Reply #1 on:
September 27, 2011, 09:25:36 am »
5 mins
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astarmathsandphysics
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Re: Trigonometry Problem
«
Reply #2 on:
September 27, 2011, 09:32:38 am »
Here
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ashwinkandel
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Re: Trigonometry Problem
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Reply #3 on:
September 27, 2011, 03:26:15 pm »
Thanks
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astarmathsandphysics
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Free the exam papers!
Re: Trigonometry Problem
«
Reply #4 on:
September 27, 2011, 03:34:05 pm »
There is a page for these problems on my website
All the C2 notes are here
http://astarmathsandphysics.com/a_level_maths_notes/a_level_maths_notes_c2_menu.html
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angel_ak
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Re: Trigonometry Problem
«
Reply #5 on:
November 13, 2011, 05:52:19 am »
Express cos x + (under root 3) sin x in the form R cos ( x - a),
where R > 0 and 0 < a < 1/2 pie ,
giving the exact values of R and a.
m soryy i din knw how to insert that under root or pie symbol
reply sooon pleeeeeeeeeeease
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angel_ak
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Re: Trigonometry Problem
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Reply #6 on:
November 13, 2011, 05:54:05 am »
its from paper june 2007, p03 question 5
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Arthur Bon Zavi
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Re: Trigonometry Problem
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Reply #7 on:
November 13, 2011, 07:25:05 am »
Doing it.
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Continuous efforts matter more than the outcome.
- NU
Arthur Bon Zavi
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Re: Trigonometry Problem
«
Reply #8 on:
November 13, 2011, 07:59:59 am »
=
Keeping x = 0, we get :
Keeping x =
, we get :
R
2
= (
)
2
+ (1)
2
R = 2
There are two equations now :
AND
Take any one of them and you will get the value of
a
, which is 60
0
or
.
Therefore the equation is
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- NU
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Trigonometry Problem
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