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The number of ordered pairs (x, y) of re...

The number of ordered pairs (x, y) of real number satisfying `4x^2 - 4x + 2 = sin^2 y and x^2 + y^2 <= 3` equal to

A

0

B

2

C

4

D

8

Text Solution

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The correct Answer is:
B
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ARIHANT MATHS-TRIGONOMETRIC FUNCTIONS AND IDENTITIES-Exercise (Single Option Correct Type Questions)
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  3. The number of ordered pairs (x, y) of real number satisfying 4x^2 - 4...

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  14. (sqrt(1+sin 2A)+sqrt(1-sin 2A) )/(sqrt(1 + sin 2A)-sqrt(1-sin2A)) If |...

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  15. For any real theta, the maximum value of cos^(2)(costheta)+sin^(2)(sin...

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  16. Find the ragne of the expression 27^(cos 2x) 81^(sin 2x)

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  17. ABCD is a trapezium such that AB and CD are parallel and BC bot CD. If...

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  18. If 4nalpha =pi then cot alpha cot 2 alpha cot 3alpha ...cot (2n-1)alph...

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  19. In DeltaABC, if (Sin A + SinB + SinC) (SinA + SinB - SinC) = 3SinA Sin...

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  20. If alpha,beta,gamma are acute angles and costheta=sinbeta//sinalpha,co...

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