0 que solution of maths write the valueof cot^2a-1/sin^2a
Answers
Answered by
1
Solution :
cot²A - 1/sin²A
= cot²A - cosec²A
= -1[Since , 1+cot²A = cosec² A]
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Answered by
1
Answer:
-1
Step-by-step explanation:
cot2a - 1/sin2a
cos2a/sin2a - 1/sin2a
(cos2a-1)/sin2a
-sin2a/sin2a
-1
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