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

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

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CHETANA PUBLICATION-TRIGONOMETRY-EXAMPLE
  1. Find the value of sin^2 30+cos^2 60+tan^2 45.

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

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

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

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

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

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

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

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

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

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

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

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

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  14. If sin theta = 7/25 then find cos theta and tan theta.

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  15. If tan theta = 2 then find values of other trigonometric ratios.

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  16. If cot theta = 40/9, find the value of coses theta and sin theta.

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  17. If sec theta = 13/12, find values of other trigonometric ratios.

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  18. If 5 sec theta -12 cosec theta=0, find the values of sec theta, cos th...

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  19. If tan theta = 1 then find the vlue of (sin theta + cos theta)/(sec th...

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  20. prove that: (i) (sin^2 theta)/ (cos theta) +cos theta =sec theta

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