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- {x inR:cos2x+2cos^(2)x=2} is equal to
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- In a triangle , if r(1) = 2r(2) = 3r(3), then a/b + b/c + c/a is equa...
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- The solution set of the equation sin^(-1)x=2 tan^(-1)x is
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- If cos A + cos B =a, and sin A + sin B = b where a,b cancel(=)0, then ...
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- In Delta ABC ,(a-b)^(2)cos ^(2) (c )/(2) +(a+b)^(2) sin ^(2)""(c )/(2...
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- The horizontal distance between two towers is 60 m and the angle of de...
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