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NIKITA PUBLICATION-TRIGONOMETRIC FUNCTIONS-MCQs
- If 2tan^(-1)(cosx)=tan^(-1)(2cosecx), then sinx +cosx is equal to
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- If cosec^(-1)x=2cot^(-1)7+cos^(-1)((3)/(5)), then x=
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- If sin^(-1)(1-x) sin^(-1)x=(pi)/(2) then x equal
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- If sin^(-1)(1-x)-2sin^(-1)x=cos^(-1)x, then x=
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- If tan^(-1)x+cos^(-1)((y)/(sqrt(1+y^(2))))=sin^(-1)((3)/(sqrt(10))), t...
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- Solve, (sec^- 1)x/a-(sec^- 1)x/b=sec^- 1 b-sec^(- 1)a.
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- 2sin^(-1)((3)/(5))=
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- 2tan^(-1)((1)/(3))=
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- Prove that: 2tan^(-1)1/2+tan^(-1)1/7=tan^(-1)(31)/(17)
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- 2tan^(-1)((1)/(3))+tan^(-1)((1)/(2))=
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- Evaluate: tan{2t a n-1 1/5-pi/4}
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- tan^(-1)((1)/(2))+tan^(-1)((2)/(11))=
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- tan^(-1)((1)/(2))+tan^(-1)((1)/(3))=
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- cos(tan^(-1)((1)/(3))+tan^(-1)((1)/(2)))=
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- tan^(-1)1+tan^(-1)2+tan^(-1)3=
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- tan^(-1)((3)/(4))+tan^(-1)((3)/(5))-tan^(-1)((8)/(19))=
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- tan^(-1)((1)/(5))+tan^(-1)((1)/(7))+tan^(-1)((1)/(3))+tan^(-1)((1)/(8)...
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- Prove that sin^(-1)(-(1)/(2))+cos^(-1)(-(sqrt(3))/(2))=cos^(-1)(-(1)/(...
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- cos^(-1)((12)/(13))+sin^(-1)((3)/(5))=
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- sin^(-1)((8)/(17))+sin^(-1)((3)/(5))=
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