Question

What is the value of (1 – cos²θ) cosec²θ?

Answer 1

Answer:

1 .

Step-by-step explanation:

Given :

( 1 - cos² Ф ) cosec² Ф

We have to find value of it .

We know :

sin² Ф = 1 - cos² Ф

Replacing ( 1 - cos² Ф ) by sin² Ф

⇒ sin² Ф × cosec² Ф

Also know sin² Ф = 1 / cosec² Ф

⇒ cosec² Ф / cosec² Ф

⇒ 1 .

Therefore , the value of ( 1 - cos² Ф ) cosec² Ф is 1 .

Answer 2

Answer:

1

Step-by-step explanation:

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