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If theta in [0, 5 pi] and r in R such t...

If `theta in [0, 5 pi] and r in R ` such that `2 sin theta = r^(4) - 2 r^(2) + 3` then the maximum number of values of the pair `(r, theta)` is

A

8

B

10

C

6

D

4

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-TRIGNOMETRIC EQUATIONS-PRACTICE SHEET (EXERCISE -I LEVEL -I STRAIGHT OBJECTIVE TYPE QUESTIONS)
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  14. The number of values of x in the interval [0, 5 pi] satisfying the equ...

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