if 10 theta = 1/ root 7
show that cosec ² theta - sec ²theta
upon cosec²theta + sec²theta =3/4
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Question :
If tan θ = ¹/√7 then , show that
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LHS
From Trigonometric identities ,
csc²θ = 1 + cot²θ
sec²θ = 1 + tan²θ
tan²θ = ¹/₇
cot²θ = 7
RHS
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