Question

2(1-cos²theta)cosec²theta

Answer 1

Answer: 2

Step-by-step explanation:

2(1-cos²theta)cosec²theta

//Sin²theta + Cos²theta = 1; so 1-Cos²theta = Sin²theta

=> 2(sinA²theta) cosec²theta

=> 2(sinA²theta) (1 / (sinA²theta))

=> 2.