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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
- 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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- In a triangle ABC, tan frac (A)(2)=5/6, tan frac (C)(2)=2/5, then :
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- The equation a sin x + b cos x = c, where |c| > sqrt (a^2 +b^2) has :
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- In a triangle ABC, a = 4, b=3, angle A = 60^@, then c is the root of t...
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- If in a triangle, a cos ^(2)""C/2+c cos ^(2)""A/2=(3b)/(2), then its s...
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- The angles of a triangle are in the ratio 4: 1: 1, then the ratio of t...
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- If u=sqrt(a^2 cos^2 theta + b^2sin^2theta)+sqrt(a^2 sin^2 theta + b^2 ...
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- If alpha, beta be such that pi < alpha- beta < 3 pi. If sin alpha +sin...
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