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PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
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- 3(sinx-cosx)^4+6(sinx+cosx)^2+4(sin^6x+cos^6x) is equal to
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- If tanx=(b/a), then acos2x+bsin2x is equal to
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- tan9^@-tan27^@-tan63^@+tan81^@ is equal to
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- (1+sintheta-costheta)/(1+sintheta+costheta)=
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- (sin5theta+sin2theta-sintheta)/(cos5theta+2cos3theta+2cos^2theta+costh...
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- If 4nalpha=pi, thencotalpha cot2alpha cot3alpha.... cot(2n-1)alpha is ...
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- If thetane(2n+1)pi/2. ninI, then the least value of (sintheta+cosecthe...
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- If sinx+sin^2x=1n then the value of cos^12x+3cos^10x+3cos^8x+cos^6x-1 ...
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- If "coses"theta-sintheta=m,sectheta-costheta=n,"eliminate"theta
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- Find the value of (1+cos (pi/8))(1+cos(3pi/8))(1+cos(5pi/8))(1+cos(7pi...
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- (cos^4(pi/8))+(cos^4((3pi)/8))+(cos^4((5pi)/8))+(cos^4((7pi)/8)) is
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- The value of underset(r=1)overset9sum sin^2(rpi)/18=
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