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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
- The angle of elevation from a point on the bank of a river of the top ...
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- If sin^2 x + sin^2 y = 1, then what is the value of cot (x + y) ?
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- What is the value of cos 10^@ + cos 110^@+ cos 130^@ ?
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- What is the value of tan (-1575^@) ?
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- For which acute angle theta cosec^2 theta= 3 sqrt3 cot theta-5?
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- If tan^2 theta=2 tan^2 phi+1, then which of the following is correct ?
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- The value of sin 10^(@) sin 50^(@) sin 70^(@) is equal to
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- The sines of two angles of a triangle are equal to 5/13 and 99/101 . W...
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- After subtending an angle of 1000^@ from its initial position, the rev...
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- One radian is approximately equal to which one of the following :
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- If cot (x+y)= 1/sqrt3, cot (x-y)= sqrt3, then what are the smallest po...
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- In sinA= 1/sqrt5, cosB= 3/sqrt10, A, B being positive acute angles, th...
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- x = sin theta cos theta, and y = sin theta +cos theta are satisfied by...
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- A man observes the elevation of a balloon to be 30^@. He then walks 1 ...
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- The number of integral values of k for which the equation 7 cos x + 5 ...
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- In a triangle ABC, 2ca sin frac(A-B+C)(2)=
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- The period of sin^2 theta is :
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- If y = sec^2 theta+ cos^2 theta, theta ne 0, then :
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- If alpha is a root of 25 cos^2 theta+ 5 cos theta- 12 = 0,pi/2 < alpha...
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- If sin (alpha+beta)=1, sin (alpha-beta)=1/2, then tan (alpha+ 2beta). ...
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