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PEARSON IIT JEE FOUNDATION-TRIGONOMETRY-Level 1
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- If sin^(4)A-cos^(4)A=1,then (A//2)is .(0ltAle90^(@)).
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- In a DeltaABC, tan((A+C)/(2)) = .
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- If sin^(4)theta-cos^(4)=k^(4), then sin^(2)theta-cos^(2)theta is .
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- (tan^(3)theta-1)/(tantheta-1)= .
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- For all values of theta,1+costheta can be.
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- (cosecA-sinA)(secA-cosA)(tanA+cotA) = .
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- Ifx=a(cosectheta+cottheta)and y=b(cottheta-cosectheta), then
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- The value of (cos^(4)x+cos^(2)xsin^(2)x+sin^(2)x)/(cos^(2)x+sin^(2)xc...
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- (1)/(1+sintheta)+(1)/(1-sintheta) is equal to .
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- if tan(alpha+beta)=(1)/(2) and tanalpha=(1)/(3), then tanbeta=.
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- The value of log sin0^(@)+log sin1^(@)+log sin2^(@)+* * *+log sin 90^(...
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- Which of the following is not possible?
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- sin^(2)20^(@)+cos^(2)160^(@)-tan^(2)45^(@)=
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- (sintheta+costheta)/(sintheta-costheta)+(sintheta-costheta)/(sintheta+...
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- The length of the side (in cm) of an equilateral triangle inscribed in...
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- Which among the following is true?
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