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(1+sintheta-costheta)/(1+sintheta+costhe...

`(1+sintheta-costheta)/(1+sintheta+costheta)=`

A

`"sin"theta/2`

B

`costheta/2`

C

`tantheta/2`

D

`cottheta/2`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-MULTIPLE & SUBMULTIPLE ANGLES-EXERCISE-1
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  2. (sintheta+sin2theta)/(1+costheta+cos2theta)

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  3. (3costheta+cos3theta)/(3sintheta-sin3theta)=

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  4. (cos3theta)/(2cos2theta-1)=

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  13. (tan^(2)2theta-tan^(2)theta)/(1-tan^(2)2thetatan^(2)theta)=

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  14. The value of (2 sinx)/(sin3x) +(tanx)/(tan3x) is .

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  17. If sin(alpha+beta)=1 and sin(alpha-beta)=1/2 where alpha,beta in [0,pi...

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