Question

Write the value of cot2thita -1/sin2thita
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Answer 1

Answer:

Cot²∅ - 1/sin²∅ = -1

Step-by-step explanation:

Cot²∅-cosec²∅

(cosec²∅-cot²∅ =1)

cot²∅ - cosec²∅ =-1