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(sintheta+sin2theta)/(1+costheta+cos2the...

`(sintheta+sin2theta)/(1+costheta+cos2theta)`

A

`sintheta`

B

`costheta`

C

`tantheta`

D

`cottheta`

Text Solution

Verified by Experts

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

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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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  5. (cos^(3)theta-cos3theta)/(costheta)+(sin^(3)theta+sin3theta)/(sintheta...

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  6. (sin^(3)theta+sin3theta)/(cos^(3)theta-cos3theta)

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  7. (sin^(2)3A)/(sin^(2)A)-(cos^(2) 3A)/(cos^(2)A)=

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  8. If thetalt22 1^(@)/2 then sqrt(2+sqrt(2+sqrt(2+2cos4theta)))=

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  9. ( cos 2 alpha)/( cos^(4) alpha - sin^(4) alpha ) -(cos^(4) alpha + si...

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  10. If x=sqrt((1- cos theta )/(1+ cos theta )), " then " (2 x)/(1-x^(2))=

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  11. IF x^2+y^2=1 and P=(3x-4x^3)^2+(3y-4y^3)^2 then find 'P'.

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

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