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In a DeltaABC,3 sin A+4 cos B=6 and 3 co...

In a `DeltaABC,3 sin A+4 cos B=6` and `3 cos A+4 sinB=1`, then `angleC` can be

A

`30^(@)`

B

`60^(@)`

C

`90^(@)`

D

`150^(@)`

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The correct Answer is:
A
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ARIHANT MATHS ENGLISH-TRIGONOMETRIC FUNCTIONS AND IDENTITIES-Exercise (Single Option Correct Type Questions)
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  11. Minimum value of 4x^2-4x|sin theta|-cos^2 theta is equal

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

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

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

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

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

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  19. If t a nbeta=(ns inalphacosalpha)/(1-ns in^2alpha) , show that tan(alp...

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  20. If (cos theta)/(a)=(sintheta)/(b), then (a)/(sec 2 theta)+(b)/(cosec 2...

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