The value of (cosec A + cot A)(1 - cos A) is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. SinA
The value of (cosec A + cot A)(1 - cos A)
= (1 + cos A) * (1 - cos A)/sin A
= (1 - cos2A)/sin A
= sin2 A/sin A = Sin A