Trigonometry, Trigonometric formulas, IB Math HL

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Trigonometry, Trigonometric formulas, IB Math HL

Postby nicole » Wed Jan 29, 2014 7:27 am

IB Mathematics HL – Trigonometry, Trigonometric identities, double angle formula

How can we simplify the following trigonometric expression?




Thanks
nicole
 
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Re: Trigonometry, Trigonometric formulas, IB Math HL

Postby miranda » Wed Jan 29, 2014 7:28 am

IB Math HL – Trigonometry, Trigonometric identities, double angle formula



We’ll use the following double angle formulas:

and

So, the expression can be written as









Hope these help!! :) :)
miranda
 
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Re: Trigonometry, Trigonometric formulas, IB Math HL

Postby nicole » Wed Jan 29, 2014 7:28 am

Thank you!!
nicole
 
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