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EDUCART PUBLICATION-INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS -SHORT ANSWER (SA-I) TYPE QUESTIONS
- The length of a vertical rod and its shadow are in the ratio 1 : sqrt(...
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- When the shadow of a pole 'h' metres high is (sqrt(3)h)/3 metres, what...
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- In fig AB is a 6m high pole and CD is a ladder inclined at an angle of...
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- Prove that : 1+(cot^(2)alpha)/(1+"cosec"alpha)="cesec"alpha
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- Prove that : tan^(4)theta + tan^(2)theta = sec^(4)theta - sec^(2) th...
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- Find A and B, if sin(A + 2B) = sqrt(3)/2, and cos(A + B) = 1/2
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- A ladder is placed along a wall of a house such that its upper end ...
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- A vertical flagstaff stands on a horizontal plane. From a point 100 m ...
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- If xcos theta- y sin theta =a, x sin theta + y cos theta = b, prove th...
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- If x=acos^(3)theta and y = bsin^(3)theta, prove that ((x)/(a))^(2//3)+...
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- The shadow of a 5-m-long stick is 2m long. At the same time, the lengt...
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- Evaluate: (sin^(4) 60^(@) + sec^(4)30^(@)) - 2(cos^(2)45^(@) - sin^(2)...
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- If a cos theta - b sin theta = c, prove that a sin theta + b cos thet...
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- Simplify (1+tan^(2)theta)(1-sintheta)(1+sintheta)
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- When the ratio of the height of a telephone pole and the length of its...
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