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OBJECTIVE RD SHARMA-TRIGONOMETRIC RATIOS AND IDENTITIES-Chapter Test
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- The roots of the equation 4x^2-2sqrt5 x +1=0 are .
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- If (cosA)/(cosB)=n and (sinA)/(sinB)=m,then (m^(2)-n^(2))sin^(2)B=
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- alpha & beta are solutions of a cos theta+b sin theta=c(cosalpha != ...
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- Let n be a positive integer such that sin(pi/2n) + cos(pi/2n) = sqrt(n...
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- cos^(4)theta-sin^(4)theta is equal to
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- tan alpha+2tan2alpha+4tan4alpha+8cot8alpha is equal to
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