Math, asked by abinash6607, 10 months ago

0 que solution of maths write the valueof cot^2a-1/sin^2a

Answers

Answered by mysticd

1

Solution :

cot²A - 1/sin²A

= cot²A - cosec²A

= -1[Since , 1+cot²A = cosec² A]

••••

Answered by jayendrawelekar03

1

Answer:

-1

Step-by-step explanation:

cot2a - 1/sin2a

cos2a/sin2a - 1/sin2a

(cos2a-1)/sin2a

-sin2a/sin2a

-1

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