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If 3sinx + 4cosx = 2, then the value of ...

If 3sinx + 4cosx = 2, then the value of 3cosx - 4 sinx is equal to:
यदि 3sinx + 4cosx = 2 तो 3cosx - 4sinx का मान ज्ञात करें:

A

`sqrt 23`

B

`sqrt29`

C

21

D

`sqrt21`

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CHAMPION PUBLICATION-2019 TIER-II PAPER(3)-EXERCISE
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  17. If cos theta =5/13, then the value of tan^2 theta +sec^2 theta is equa...

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  19. If x+16/x=8, then the value of x^2+32/x^2 is: यदि x+16/x=8,तोx^2+32/...

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  20. Evaluate the following / मान ज्ञात करे 5-[96 div 4 of 3-(16-55 div 5)...

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