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NCERT EXEMPLAR ENGLISH-INTRODUCTION TO TRIGoNOMETRY AND ITS APPLICATIONS-VERY SHORT ANSWER TYPE QUESTIONS
- Prove that : (tan47^(@))/(cot 43^(@))=1
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- State True or False: The value of the expression (cos^(2)23^(@)-sin^(2...
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- State True or False: The value of the expression (sin80^(@)-cos80^(@...
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- If cosA+cos^2A=1 , then sin^2A+sin^4A=
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- (tantheta+2)(2 tantheta+1) = 5 tantheta+ sec^(2)theta
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- If the length of the shadow of a tower is increasing, then the angle o...
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- If a man standing on a platform 3 m above the surface of a lake observ...
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- The value of 2sintheta can be a+1/a, where a is a positive number and ...
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- costheta=(a^(2)+b^(2))/(2ab), where a and b are two distinct numbers s...
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- The angle of elevation theta of the top of a tower is 30^(@). If the h...
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- If the height of a tower and the distance of the point of observation ...
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