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VGS PUBLICATION-BRILLIANT-TRIGONOMETRY-EXERCISE
- (1-tan^2 45^@)/(1+tan^2 45^@) = …………….
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- secA=cosecB, then A and B are ………………. Angles.
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- sec^4A-sec^2A = ………………
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- sintheta+sin^2theta=1, then cos^2theta+cos^4theta = …………
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- If sintheta=1/2, then cottheta = ………….
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- If tan(15^@+B)=sqrt3, then B=……………..
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- If tantheta=1, then costheta=………….
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- If costheta. sintheta=1/2, then tantheta = …………….
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- If cos theta = -cos theta, then theta in radian measure is……….
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- If sinA=3/5, then sin(90+A) = …………….
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- sqrt((sectheta+1)(sectheta-1)) = ………………….
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- sqrt(sec^2theta-tan^2theta+cot^2theta) = ………………..
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- cos150^@ = ………………..
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- sin^2 75^@+cos^2 75^@ = …………………
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- sin240^@+sin120^@ = ……………
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- If cosectheta+cottheta=2 then cosectheta-cottheta = ……………
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- If secA+tanA=1/3, then secA-tanA = …………..
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- sin30^@+cos60^@ = ……………..
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- (cosA+sinA)^2+(cosA-sinA)^2 = …………………
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- sin450^@ = ………….
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