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The correct alternative answer for each ...

The correct alternative answer for each of the following questions : `cosec 45^@` = ?

A

`1/sqrt2`

B

`sqrt2`

C

`sqrt3/2`

D

`2/sqrt3`

Text Solution

Verified by Experts

The correct Answer is:
(B)
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-TRIGONOMETRY-PROBLEM SET -6
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  6. If tan theta = 2. Find the value of other trigonmertric rations.

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  7. If sec theta=13/12, find the values of other trigonometric ratios.

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  8. Prove each of the following identities : (i) sec theta(1- sin theta)...

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  9. Prove : (sec theta+tan theta)(1-sin theta)=cos theta.

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  10. Prove the following: sec^2 theta + cosec^2 theta = sec^2 theta xx cos...

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  11. Prove the following: cot^2 theta - tan^2 theta = cosec^2 theta - sec...

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  12. Prove the following identity: sec^4theta-sec^2theta=tan^4theta+tan^2th...

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  13. Prove the following: 1/(1-sin theta) + 1/(1-sintheta) = 2 sec^theta

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  14. Prove the following: sec^6 x - tan^6 x = 1 + 3sec^2 x xx tan^2x

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  15. Prove that : (tan theta)/(sec theta + 1) = (sec theta - 1)/(tan thet...

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  16. Prove the following: (tan^3 theta - 1)/(tan theta - 1) = sec^2 theta ...

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  17. Prove that (sintheta-costheta+1)/(sintheta+costheta-1)=1/(sectheta-tan...

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