prove that 1/1 + cos theta + 1/ 1 - cos theta = 2 cot^2 theta × sec theta
Answers
Answered by
0
i think that it is sec^2
arpit112233:
yes i too think so
Answered by
0
to prove- 2=2cot^2 o*seco
(o- theta)
(o- theta)
Similar questions