Minimum value of 9 sec^(2) theta + 4 cos...

Minimum value of `9 sec^(2) theta + 4 cosec^(2) theta + 7` is

A

`32`

B

`25`

C

`20`

D

`49`

Text Solution

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The correct Answer is:

A

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Minimum value of sin^(2) theta + "cosec"^(2) theta is

A

1

B

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C

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If 0 lt theta lt pi , then minimum value of 3 sin theta + cosec^(3) theta is

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A

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B

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C

9

D

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