Prove that (sinq+cosq)/(sinq-cosq)+(sinq-cosq)/(sinq+cosq)=2/(2sinq-1)
Answers
Answered by
1
Answer:r.h.s should be 2/ 2 sin^2 q -1
Step-by-step explanation:
(sinq+cosq)^2+ (sinq-cosq)^2/ sin^2q-cos^2q
sin^2q+ 2sinqcosq+cos^2q+ sin^2q-2sinqcosq+cos^2q/ sin^2 q - 1+ sin^2q
1+1/ 2sin^2q-1
2/2sin^2q -1
I think this rhs is correct.
Similar questions