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Simplify i) (sin 2theta)/(1+cos 2 theta...

Simplify i) `(sin 2theta)/(1+cos 2 theta)`
ii) `(3 cos theta+cos3theta)/(3sintheta-sin3theta)`
iii) `(sintheta+sin2 theta)/(1+costheta+cos 2theta)`

Text Solution

Verified by Experts

The correct Answer is:
i) `tantheta`
ii) `cot^(3)theta`
iii)`tantheta`
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Knowledge Check

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

    A
    `cot^(2)theta`
    B
    `cot^(4)theta`
    C
    `cot^(3)theta`
    D
    `3cot theta`

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

    A
    `sintheta`
    B
    `costheta`
    C
    `tantheta`
    D
    `cottheta`

  • (sin3theta)/(1+2cos2theta)=

    A
    `costheta`
    B
    `sintheta`
    C
    `-costheta`
    D
    `-sintheta`

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