Math, asked by zaidshaikhhulk, 10 months ago

4. The value of 9 cot²x – 9 cosec²x = .....
(A) 9 (B) -9 (C) 1 (D) – 1

Answers

Answered by MysticPetals

4

Answer:

Cosec square theta -cot square theta =1

Step-by-step explanation:

-9 cosecsquare x +9cot square x

=-9

Option b

Answered by truthguardian

2

Answer:

-9

Step-by-step explanation:

9 cos ²x - 9 cosec ² x

= 9 (cot ² x -cosec ²x)

= 9(-1)

= -9

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