NCERT ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
- Find the solution of sinx=-(sqrt(3))/2.
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- Solve cosx=1/2.
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- Solve tan2x=-cot(x+pi/3)
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- Solve sin 2x - sin 4x + sin 6x = 0.
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- Solve 2cos^2x+3sinx=0.
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- If sinx=3/5,cosy=-(12)/(13),where x and y both lie in second quadrant,...
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- Find the general solution : sec^2 2x=1-tan2x
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- Find the value of tan pi/8.
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- If tanx=3/4, piltxlt(3pi)/2, find the value of sin(x/2) , cos(x/2), t...
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- Prove that cos^2x+cos^2(x+pi/3)+cos^2(x-pi/3)=3/2.
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- Find the principal and general solution of cosec x = 2
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- Find the general solution : cos 4x = cos 2x
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- Find the principal and general solution of sec x = 2
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- Find the principal and general solution of cotx=-sqrt(3)
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- Find the principal and general solution of tanx=sqrt(3)
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- Find the general solution : sin x + sin 3x + sin 5x = 0
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- Prove that cos 2xcos(x/2)-cos 3x cos((9x)/2)= sin5x sin((5x)/2).
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- Find the value of sin (31pi)/3.
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- Find the value of cos (-171 0^(@))
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- If cosx=-3/5, x lies m the third quadrant, find the values of other f...
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