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If sin theta =sqrt 3/2,then cos theta=?...

If `sin theta =sqrt 3/2,then cos theta=?`

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CHETANA PUBLICATION-TRIGONOMETRY-EXAMPLE
  1. If theta is in 1st quadrant, sin theta=3/5, then cos theta =?.

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  2. If sin P=1/2 and /P and /R are complementary, then cos R=?

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  3. If sin theta =sqrt 3/2,then cos theta=?

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  4. sin ^2 50^@+cos ^2 50^@=?

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  5. If tan theta=1/sqrt3, then tan(90-theta)=?

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  6. If sin 30° xx cosec theta=1, then theta=?

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  7. If sin theta =5/13, then find cos theta if theta is in 1st quadrant.

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  8. Find the value of sin^2 30+cos^2 60+tan^2 45.

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  9. In triangle ABC, /A=alpha, /B=90° and /C=theta. What are tan alpha and...

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  10. tan 30^@ xx tan theta=1, Find theta.

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  11. Fill in the blank: cos 45^@=sin....

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  12. Find the value of cos 60^@ xx cos 30^@+sin 60^@ xx sin 30^@.

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  13. In triangle ABC, /A=50^@, /B=90^@ and /C=40^@. Then write the ratio of...

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  14. In triangle ABC, /A=50^@, /B=90^@ and /C=40^@. Then write the ratio of...

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  15. If sin theta=15/17 and theta lies in 1st quadrant, then cos theta=?

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  16. (cos 62^@)/(sin 28^@)=?

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  17. If tan theta =12/5 and theta lies in 1st quadrant, then find 5 sin the...

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  18. If theta lies in 1st quadrant and cos theta=24/25, then find sin theta...

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  19. If sin theta = 11/61 find the values of cos theta using trigonometric...

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  20. If tan theta = 3/4 then find the value of sec theta and cos theta.

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