1.

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

Answer»

Answer:

COSEC square theta -cot square theta =1

Step-by-step EXPLANATION:

-9 cosecsquare X +9cot square x

=-9

OPTION b



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