prove that sin squared theta upon cos theta + cos theta is equals to one upon cos theta
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Answered by
17
take cross multiplication
hence proved
hence proved
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angel73:
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Answered by
8
Hi there !
To prove :-
sin²θ /cosθ + cosθ = 1/cosθ
LHS =
sin²θ /cosθ + cosθ
LCM = cosθ
sin²θ /cosθ + cos²θ/cosθ
= sin²θ + cos²θ / cosθ
we know that --> sin²θ + cos²θ = 1
= 1/cosθ
= RHS
PROVED !
To prove :-
sin²θ /cosθ + cosθ = 1/cosθ
LHS =
sin²θ /cosθ + cosθ
LCM = cosθ
sin²θ /cosθ + cos²θ/cosθ
= sin²θ + cos²θ / cosθ
we know that --> sin²θ + cos²θ = 1
= 1/cosθ
= RHS
PROVED !
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