Friday

January 30, 2015

January 30, 2015

Posted by **anonymous** on Friday, June 18, 2010 at 6:02pm.

[cos^2theta] / [1 +2sintheta -2sin^2theta]

is equal to

[1 +sintheta] / [1 +3sintheta]

Thanks in advance :)

- maths -
**Damon**, Friday, June 18, 2010 at 7:17pmI think you have a typo - see my 3 below

-[1-s^2] / [3s^2 -2s -1]

(not 2s^2-2s-1)

[(s-1)(s+1)] / [ (s-1) (3s+1) ]

**Answer this Question**

**Related Questions**

maths - trigonometry - I have my maths exam on Tuesday and cannot remember how ...

Trigonometric Identities - Which of the following are trigonometric identities, ...

Trigonometry - I don't understand how I'm supposed set the problem up or what ...

trigonometric identities - Prove the following trigonometric identities 1. tanx...

Math(Correction) - Use the given function values and trigonometric identities (...

Math(Correction) - Use the given function values and trigonometric identities (...

Math - Use the given function values and trigonometric identities (including ...

Calculus - I'm reviewing for a test tomorrow and two of the questions on the ...

Trig - How do you express sin4x as a trigonometric funcition of x using the ...

Math(Correction) - Use the given function values and trigonometric identities (...