Sunday

December 21, 2014

December 21, 2014

Posted by **Michelle** on Monday, November 21, 2011 at 12:22pm.

**Answer this Question**

**Related Questions**

trig - 1-cosA+cosB-cos(A+B)/1+cosA-cosB-cos(A+B)=tan(A/2)ct(A/2)

Trigonometry - Prove that 1-cosA+cosB-cos(A+B)/1+cosA-cosB-cos(A+B) = tanA/2cotA...

Math - CosA+cosB-cosC=4COSA/2 cosB/2 SINC/2-1

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

pleeaasee hellpp!! - A and B are positive acute angles. If sin A=(3/5) and cosB...

ALGEBRA 1 - If x and 3x-10 represent the measure of the acute angles of a right ...

trig - prove 1-cosB divided by 1+cosB= tan^2B/2

math - Sina+cosa=root over cosA

math - Sina+cosa=root over cosA

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