prove it......plz .................................................................
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Answer:
We know that,
We know that,
cosec (90° -x) = sec x
sin(180°-x) = sin x
cot(360°-x) = - cot x
sec(180°+x) = - sec x
cot(360°-x) = - cot x
sec(180°+x) = - sec x
tan(90°+x) = - cot x
sin(-x) = -sin x
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