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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- If A,B,C are angles of a triangle, then 2sin(A/2)cosec (B/2)sin(C/2)-s...
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- Solve cos^(50)x-sin^(50)x=1
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- sqrt((1-sintheta)/(1+sintheta))=sectheta-tantheta
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- If two sides of a triangle are roots of the equation x^2-7x+8=0 and th...
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- Prove that (1+sec2theta)(1+sec2^2theta)(1+sec2^3theta)…..(1+sec2^nthet...
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- If 3sinx+4cosa x=7 has at least one solution, then find the possible v...
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- Prove that (cos(90^0+theta)sec(-theta)"tan"(180^0-theta))/(sec(360^0-t...
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- A sector O A B O of central angle theta is constructed in a circle wit...
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- Prove that: (2cos2^ntheta+1)/(2costheta+1)=(2costheta-1)(2cos2theta-1)...
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- Find the number of solution of sin^2xcos^2x=1+cos^2xsin^4x in the inte...
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- Prove that sin(-420^0)cos(390^0)+cos(-660^0)(sin330^0)=-1
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- If R(1) is the circumradius of the pedal triangle of a given triangle ...
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- If x=sin(theta+(7pi)/(12))+sin(theta+pi/(12))+sin(theta+(3pi)/(12))dot...
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- In any triangle, the minimum value of r1r2r3//r^3 is equal to
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- Solve the equation for x: cos^2[pi/4(sinx+sqrt(2)cos^2x)]-tan^2[x+pi/4...
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- Which of the following is the greates? cos e c1 (b) cos e c2 cos e c...
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- If tan(pi/4+y/2)=tan^3(pi/4+x/2)dot Prove that (siny)= (sinx)(3+sin^2...
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- Find the value of x for which f(x)=sqrt(sinx-cosx) is defined, x in [0...
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- In triangle A B C ,b^2sin2C+c^2sin2B=2bc where b=20 ,c=21 , then i...
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- Solve for x and y :sqrt(3)sinx+cosx=8y-y^2-18 ,w h e r e0lt=xlt=4pi, y...
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