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AGRAWAL PUBLICATION-INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS-EXAMPLE
- If tan A = 3/4, then prove that sin A cos A = 12/25
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- (tan theta)/(1 - tan theta) - (cot theta)/(1 - cot theta) = (cos theta...
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- If cos theta + sin theta = sqrt2cos theta," then " cos theta -sin thet...
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- Prove that (sin theta + 1 + cos theta)(sin theta - 1 + cos theta).sec ...
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- A ladder 15 metres long just reaches the top of a vertical wall. If th...
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- Prove that: sqrt((sec theta-1)/(sec theta +1)) + sqrt((sec theta + 1)/...
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- Prove that (sin theta + cosec theta)^2 + (cos theta + sec theta)^2 = 7...
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- Prove that: (1 + cot theta - "cosec" theta) (1+ tan theta + sec theta)...
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- If 4 tan theta = 3, evaluate frac(4 sin theta - cos theta + 1)(4 sin t...
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- A player sitting on the top of a tower of height 20 m observes the ang...
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- Using the formula cos 2 theta = 2 cos^2 theta - 1, find the value of c...
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- If sinθ+ cosθ= sqrt 3, then prove tanθ + cotθ= 1.
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- Prove that following identity: (cos A)/(1 + sin A) + (1 + sin A)/(cos ...
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- Prove that sec^(2) theta + "cosec"^(2) theta = sec^(2) theta "cosec"^(...
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- If 2 sin^2 theta - cos^2 theta = 2, find the value of theta.
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- The shadow of a tower standing on a level plane is found to be 50 m lo...
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- From a window, 15 m high above the ground, the angles of elevation and...
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- A moving boat is observed from the top of a 150 m high cliff moving aw...
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- An observer 1.5 m tall is 20 sqrt 3 m away from a chimney. The angle o...
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- Two men on either side of a tower 75 m high observe the angle of eleva...
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