Q297
The expression ( 1 - 2 ^2 ^2 ) ( + 1 ) ( ^4 + ^4 ) ( 1 + ) cosec\, - 1, 0° < θ < 90°, equals:
The expression 0° < θ < 90°, equals:
A.
-sec2θ
B.
cos2θ
C.
-sin2θ
AnswerD.
sec2θ
Answer: Option C
Solution
Answer: Option C
Solution: