8( cot²0 - cosec²o) =
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Answer:
the answer is -8
Step-by-step explanation:
we have the trigonometric identity
1 + cot^2 0 = cosec^2 0
soo that
cot^2 0 - cosec^2 0 = -1
therefore
= 8 ( cot^2 0 - cosec^2 0)
= 8 ( -1 )
= -8
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