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NEW JOYTHI PUBLICATION-TRIGONOMETRIC FUNCTIONS-QUESTIONS FROM COMPETITIVE EXAMS
- If the angle of elevation of the top of a tower at a distance ...
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- In triangle ABC , a (b^2 +c^2 ) cos A + b (c^2 +a^2 ) cos B + ...
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- The measures of the sides of a triangle are 3,5 and 7 then th...
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- IF x sin 45^@ cos ^2 60^@ = ( tan ^2 60^@ "cosec " 30^@)/(sec 45^@ ...
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- IF tan ( A-B ) = 1, sec (A +B ) = (2)/(sqrt(3)) , the smallest po...
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- If sec theta + tan theta = k, cos theta =
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- IF alpha , beta and gamma are angles such that tan alpha + ...
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- If n=1,2,3,……. then cos alpha cos 2 alpha cos 4 alpha ……. Cos 2^(...
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- IF a = (pi)/( 18) radius then cos a + cos 2 a + …. + cos 18 ...
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- the number of values of theta in the interval [ -pi , pi] satis...
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- for any angle theta the expression (2 cos 8 theta + 1)/( 2...
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- IF m tan ( theta - 30^@) = n tan ( theta + 120 ^2 ) then cos ...
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- If x + (1)/(x ) =2 sin alpha , y +(1)/(y) =2 cos beta , then ...
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- If f (x) = cos ( log e x ) then f(x) . f(y) - (1)/(2) [f(...
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- the number of solution of the equation tanx + sec x = 2 cos x ...
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- sin ^2 5^@ + sin ^2 10^@ + sin ^2 15 ^2 + …….. + sin^2 90^2 =
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- If 1 + sin x + sin^2 x + sin ^3 x + ……. to oo = 4 +2 sqrt(3)...
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- The perimeter of a triangles ABC 6 times the arithemetic mean of ...
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- The base angle of triangle are 22 (1)/(2)^@ and 112 (1)/(2)^@...
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- If 1 + cos x=k where x is acute , then sin x/2
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