SOLUTION: Please help me verify the identity: 1-tan^2t/1+tan^2t= 2cos^2-1.

SOLUTION: Please help me verify the identity: 1-tan^2t/1+tan^2t= 2cos^2-1.

Algebra.Com

Question 743369: Please help me verify the identity:
1-tan^2t/1+tan^2t= 2cos^2-1.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Please help me verify the identity:

start with left side:

verified: left side=right side
RELATED QUESTIONS
Verify that each equation is an identity. 2cos^2(theta)-1=... (answered by lwsshak3)

please help me verify verify identity:... (answered by jim_thompson5910)

please help me verify verify identity:... (answered by jim_thompson5910)

Verify that each equation is an identity (2cos^2 (X/2)) (tan X) = tan X + sin X... (answered by lwsshak3)

Can someone explain to me how to do trig identities of a single variable through this... (answered by lwsshak3)

Verify the identity: tan(2 tan^-1 x)= 2 tan (tan^-1 x + tan^-1... (answered by Edwin McCravy)

tan^2theta+1/tan theta*csc^2 theta=tan theta verify the... (answered by lwsshak3)

Verify that the equation is an identity {{{(cot^2(x) - tan^2(x)) / (cot^""(x)^"" +... (answered by Edwin McCravy)

please help me solve: verify identity:... (answered by lwsshak3)