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प्रश्न
Choose the correct alternative:
tan (90 – θ) = ?
विकल्प
sin θ
cos θ
cot θ
tan θ
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उत्तर
cot θ
APPEARS IN
संबंधित प्रश्न
Prove the following identities:
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`(ii)\frac{cosA}{1tanA}+\sin^{2}A/(sinAcosA)=\sin A\text{}+\cos A`
`( iii)((1+sin\theta )^{2}+(1sin\theta)^{2})/cos^{2}\theta =2( \frac{1+sin^{2}\theta}{1-sin^{2}\theta } )`
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`[tan θ + 1/cos θ]^2 + [tan θ - 1/cos θ]^2 = 2((1 + sin^2 θ)/(1 - sin^2 θ))`
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`sqrt((1 + sinA)/(1 - sinA)) = cosA/(1 - sinA)`
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