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If cotA=(4)/(5), then ((sinA+cosA))/((si...

If `cotA=(4)/(5)`, then `((sinA+cosA))/((sinA-cosA))=?`

A

10

B

9

C

5

D

3

Text Solution

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The correct Answer is:
B
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  4. If sin theta=(sqrt(3))/(2)" then " ("cosec"theta+cot theta)=?

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  10. Prove that sqrt((1+cosA)/(1-cosA))=("cosec"A+cotA).

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  11. If cosec theta + cot theta= p, cos theta = ?

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  12. Prove that ("cosec"A-cotA)^(2)=((1-cosA))/((1+cosA)).

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  17. Prove that (1)/((sec theta - tan theta))-(1)/(cos theta)=(1)/(cos th...

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