If r costheta = 2sqrt3, r sintheta = 2 a...

If `r costheta = 2sqrt3, r sintheta = 2` and `0^@ < theta < 90^@`, then the value of r and `theta` are

A

`(2, 60^@)`

B

`(4, 30^@)`

C

`(4, 60^@)`

D

(2, 30^@)`.

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UNITED BOOK HOUSE-Trigonometric Rations and Trigonometric Identities-Exercise

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