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If sin^2 theta+3 cos theta=2, then find ...

If `sin^2 theta+3 cos theta=2,` then find value of `cos^3 theta+sec^3 theta :`

A

1

B

4

C

9

D

18

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • If 2 sin theta + cos theta = 7/3 then the value of (tan^2 theta - sec^2 theta ) is

    A
    0
    B
    `-1`
    C
    `3/7`
    D
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    A
    `pm(1)/(sqrt2), pm(1)/(sqrt2)`
    B
    `pm(sqrt3)/(2),pmsqrt2`
    C
    `(sqrt3)/(2),(1)/(sqrt2)`
    D
    none of these

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