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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- If the inequality sin^2x+acosx+a^2>1+cosx holds for any x in R , then...
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- If x , ya n dz are the distances of incenter from the vertices of the ...
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- The general values of theta satisfying the equation 2sin^2theta-3sinth...
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- A right angle is divided into three positive parts alpha,betaa n dgamm...
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- The number of solutions of the equation tanx+secx=2cosx lying in the i...
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- Incircle of A B C touches the sides BC, CA and AB at D, E and F, resp...
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- If cos^2x-(c-1)cosx+2cgeq6 for every x in R , then the true set of va...
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- If f(x)=sin −1 ( 2 3 x− 2 1 1−x 2 ),− 2 1 ≤...
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- Find the number of roots of equation sinx+sin5x=sin2x+ sin4x
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- Let A B C be a triangle with /B=90^0 . Let AD be the bisector of /A wi...
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- If π<α<(3π)/2 then sqrt((1-cosalpha)/(1+cosalpha))+sqrt((1+cosalpha)/...
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- In which of the following sets the inequality sin^6x+cos^6x >5/8 hold...
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- Find the number of solutions of sinx=x/(10)
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- If the distances of the vertices of a triangle =ABC from the points of...
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- If 3π/4<α<π, then sqrt(2cotalpha+1/(sin^2alpha)) is equal to
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- Which of the following identities, wherever defined, hold(s) good? (a...
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- Find the coordinates of the points of intersection of the curves y = c...
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- If y=(sinx+cos e cx)^2+(cosx+secx)^2 , then the minimum value of y ,A...
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- A triangle A B C is inscribed in a circle with centre at O , The lines...
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- If sin(x+20^0)=2sinxcos40^0,w h r ex in (0,pi/2), then which of the fo...
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