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If sin 3 theta= cos(20^@-theta), then th...

If `sin 3 theta= cos(20^@-theta)`, then `theta` is equal to:
यदि `sin 3 theta= cos(20^@-theta)` है, तो `theta` का मान ज्ञात करें |

A

25

B

35

C

28

D

30

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PINNACLE-TRIGONOMETRY-EXERCISE
  1. If 12 Sin theta=5 Cos theta, then Sin theta+Cos theta- Cot theta is e...

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  2. The value of sin^2 42^@+ sin^2 48^@+ tan^2 60^@- cosec 30^@ is equal ...

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  3. If sin 3 theta= cos(20^@-theta), then theta is equal to: यदि sin 3...

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  4. If 3 sin theta=2 cos theta, then 3 sin theta=2 cos theta, then (4 sin ...

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  5. If 2 sin theta=5 cos theta, then (sin theta+cos theta)/(sin theta-cos ...

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  6. The value of sin^2 32^@ +sin^2 58^@ - sin 30^@+sec^2 60^@ is equal to ...

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  7. If cosec2 theta=sec (3 theta-15^@), then theta is equal to: यदि cos...

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  8. If tanx = cot(45^@+2x), then what is the value of x? यदि tanx = cot(...

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  9. If 2 cos^2 theta-5 cos theta+2=0,0^@< theta< 90^@ then the value of (C...

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  10. If 1/(sec theta-tan theta)-1/(cos theta)= Sec theta xx k, ,0^@< theta<...

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  11. The simplified value of/सरलीकृत मान ज्ञात करें: [(sin^2 25+sin^2 65)/...

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  12. If 3 Sin theta =2 cos^2 theta ,0^@ < theta <90^@, then the value of (t...

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  13. If tan theta =3/5, 0^@ prec theta prec 90^@ then sin theta cos theta ...

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  14. If 1/(1-sin theta)+1/(1+sin theta)= 4 Sec theta, 0^@< theta< 90^@, the...

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  15. The value of (4 tan^2 30+1/4 sin^2 90+ 1/8 cot^2 60+ sin^2 30. cos^2 4...

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  16. If (1/(1+ "cosec" theta)-1/(1-"cosec" theta))costheta =2,0^@ lt theta ...

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  17. If tanx = cot (60+6x), then what is the value of x ? यदि tanx = cot ...

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  18. For theta being an acute angle, if cosec theta= 1.25, then the value ...

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  19. For 0 prec theta prec 90, if 2 cos^2 theta=3 sin theta, then the value...

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  20. For 0 prec theta prec 90, if (sec theta( 1- sin theta)(sec theta+tan t...

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