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CHETANA PUBLICATION-TRIGONOMETRY-EXAMPLE
- tan 30^@ xx tan theta=1, Find theta.
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- Fill in the blank: cos 45^@=sin....
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- Find the value of cos 60^@ xx cos 30^@+sin 60^@ xx sin 30^@.
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- In triangle ABC, /A=50^@, /B=90^@ and /C=40^@. Then write the ratio of...
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- In triangle ABC, /A=50^@, /B=90^@ and /C=40^@. Then write the ratio of...
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- If sin theta=15/17 and theta lies in 1st quadrant, then cos theta=?
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- (cos 62^@)/(sin 28^@)=?
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- If tan theta =12/5 and theta lies in 1st quadrant, then find 5 sin the...
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- If theta lies in 1st quadrant and cos theta=24/25, then find sin theta...
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- If sin theta = 11/61 find the values of cos theta using trigonometric...
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- If tan theta = 3/4 then find the value of sec theta and cos theta.
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- If sin theta = 7/25 then find cos theta and tan theta.
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- If tan theta = 2 then find values of other trigonometric ratios.
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- If cot theta = 40/9, find the value of coses theta and sin theta.
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- If sec theta = 13/12, find values of other trigonometric ratios.
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- If 5 sec theta -12 cosec theta=0, find the values of sec theta, cos th...
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- If tan theta = 1 then find the vlue of (sin theta + cos theta)/(sec th...
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- prove that: (i) (sin^2 theta)/ (cos theta) +cos theta =sec theta
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- prove that cos^2theta(1 + tan^2 theta) = 1
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- prove that sqrt ((1-sin theta) / ( 1 + sec theta )) = sec theta -tan t...
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