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VGS PUBLICATION-BRILLIANT-TRIGONOMETRY-EXERCISE
- (sin^4theta-cos^4theta)/(sin^2theta-cos^2theta) = ………………..
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- cos0^@+sin90^@+sqrt3cosec60^@ = ……………..
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- abs((tantheta, sectheta),(sectheta,tantheta))= …………….
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- If cosectheta+cottheta=3, then cosectheta-cottheta = ……………..
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- (tantheta)/sqrt(1+tan^2theta) = ………………
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- sqrt(1-cos^2theta)/(costheta) = ……………..
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- x=2cosectheta, y=2cottheta, x^2-y^2 = ………………
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- sqrt (sec^(2) A + cosec^(2) A ) =
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- sin81^@ = …………
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- sqrt(sec^2theta-1)/(sectheta)
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- If sinA=(1)/(sqrt2), then tanA = ……….
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- sin225^@ = …………..
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- cos(x-y) = ………….
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- (1)/(1-sintheta)+(1)/(1+sintheta) = ……………….
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- sin^4theta-cos^4theta = ……………..
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- tantheta is not defined when theta is
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- If cosectheta=25/7 then cottheta = …………..
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- tan26^@*tan64^@=………….
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- If tan2A=cot(A-18^@) where 2A is an cute angle then A = …………..
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- sin(90-phi) = ……………..
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