(cos^2 ∅ -1)( cosec^2∅)
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Answer:
(cos^2¢-1)(cosec^2¢)
= -(1-cos^2¢)(cosec^2¢)
= -sin^2¢×1/sin^2¢
= -1
Answered by
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Answer:
the answer is 1
Step-by-step explanation:
cos^2 theta -1=sin^2 theta.(1)
cosec^2 theta =1/sin^2 theta.(2)
substitute 1 and 2 in the question
sin^2 theta/ sin^2 theta =1
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