Question
Mathematics Question on Trigonometric Identities
The value of (1+cosx)(1+cot2x)(1−cosx) =
A
-1
B
1
C
cos x
D
sin x
Answer
1
Explanation
Solution
The correct option is (B): 1
The value of (1+cosx)(1+cot2x)(1−cosx) =
-1
1
cos x
sin x
1
The correct option is (B): 1