Monday

March 2, 2015

March 2, 2015

Posted by **mostafa** on Thursday, January 6, 2011 at 2:08pm.

**Answer this Question**

**Related Questions**

campridge trigonometry - prove that ; tan20 . tan30 . tan40 = tan10

Pre-Calculus - I need help on these problems they are from my study guide and i ...

trig - tan200(cot10-tan10)

trig - tan200(cot10-tan10)

precalculus - Write each expression as sine, cosine, or tangent of an angle. ...

Trig - tan 15° using composite argument? - tan 15° tan (45°-30°) (tan 45° - tan ...

trig - TRIG Identities, Gr. 12: Prove: cot4x=1-tan^2x/2tan2x

Math- gr.12 Trig. - Hi, could someone explain to me how to use a counterexample...

Prove trig identity - Prove the following trigonometric identity: (sec^2x-1)(csc...

trig - Prove the following trig identity: 1 + sinx = sinx(1+cscx)