Sunday

December 21, 2014

December 21, 2014

Posted by **Anonymous** on Sunday, March 20, 2011 at 11:46am.

1. cos^2a+sec^2a=2+sina

2. cot^2a+cosa=sin^2a

**Answer this Question**

**Related Questions**

trig - For each expression in column I, choose the expression from column II to ...

math (trig) - i have some problems doing trig the first one is: Show that cos(x/...

Trigonometry - I need to prove that the following is true. Thanks. csc^2(A/2)=...

TRIG! - Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6...

trig - How to do this one? (sina/1-cosa) + (1-cosa/sina) = Also, wanted to ask ...

Pre-Calculus - I don't understand,please be clear! Prove that each equation is ...

Pre-Calculus - Prove that each equation is an identity. I tried to do the ...

Trigonometry - 1.Solve tan^2x + tan x – 1 = 0 for the principal value(s) to two ...

further mathematics - Let P=(cosA sinA) (sinA cosA) Q=(cosB sinA) (sinB cosA) ...

MathsSs triG - Consider sin(x-360)sin(90-x)tan(-x)/cos(90+x) 1.A.SIMPLIFY sin(x-...