What is the value of [tan²(90 - θ) - sin²(90 - θ)] cosec²(90 - θ) cot²(90 - θ) ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 ie 1.
Put θ = 45°
= [tan²45° - sin²45°] (cosec²45°)(cot²45°)
= (1 - 1/2) (2)(1)
= 1