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Answer:
1
Step-by-step explanation:
the answer is 1 because
cot²Q = cos²Q/sin²Q
cos²Q - 1 = sin² Q
Verified answer
Answer:
-1
Step-by-step explanation:
cot^2A - 1/ sin^2A
= cot^2A - cosec^2A
= -1 ( cosec^2A -cot^2A = 1. so cot^2A-cosec^2A = -1)