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CHETANA PUBLICATION-TRIGONOMETRY-EXAMPLE
- Find value 8 sin 30^@+ 4 cos 60^@.
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- If tan theta =1, then tan(90-theta)=?
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- Fill in the blank : sin 30°xx cos………..=1/2.
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- sin A=1/2, cosA=?
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- If theta is in 1st quadrant, sin theta=3/5, then cos theta =?.
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- If sin P=1/2 and /P and /R are complementary, then cos R=?
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- If sin theta =sqrt 3/2,then cos theta=?
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- sin ^2 50^@+cos ^2 50^@=?
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- If tan theta=1/sqrt3, then tan(90-theta)=?
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- If sin 30° xx cosec theta=1, then theta=?
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- If sin theta =5/13, then find cos theta if theta is in 1st quadrant.
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- Find the value of sin^2 30+cos^2 60+tan^2 45.
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- In triangle ABC, /A=alpha, /B=90° and /C=theta. What are tan alpha and...
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- 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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