Now this is just like the other one
(cos x/sin x)^2 - (1/sin x)^2
= (cos^2 x - 1)/sin^2x
= sin^2 x / sin^2x
= 1
Cot^2x-csc^2x
Please help me simplify using identities! Thank You!
2 answers
that's -1
remember
sec^2 = 1+tan^2
csc^2 = 1+cot^2
these come from dividing
1 = sin^2+cos^2
by cos^2 or sin^2
remember
sec^2 = 1+tan^2
csc^2 = 1+cot^2
these come from dividing
1 = sin^2+cos^2
by cos^2 or sin^2