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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- If x=(sin^3P)/cos^2P,y=cos^3P/sin^2P" and " sinP+cosP=1/2 then find th...
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- Number of solution(s) of the equation (sinx)/(cos3x)+(sin3x)/(cos9x)+(...
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- prove that (sinA+sin3A+sin5A+sin7A)/(cosA+cos3A+cos5A+cos7A)=tan4A
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- Prove that (r+r1)tan((B-C)/2)+(r+r2)tan((C-A)/2)+(r+r3)tan((A-B)/2)=0
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- (a+2)sinalpha+(2a-1)cosalpha=(2a+1)iftanalpha"i s" (a) 3/4 (b) 4...
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- If x , y in [0,2pi]a n dsinx+siny=2, then the value of x+y is
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- Find the value of (1+cos (pi/8))(1+cos(3pi/8))(1+cos(5pi/8))(1+cos(7pi...
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- Let A B C be a triangle with incentre at I Also, let P and Q be the fe...
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- Let f(x)=log(log)(1/3)((log)7(sinx+a))) be defined for every real valu...
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- Number of roots of cos^2x+(sqrt(3)+1)/2sinx-(sqrt(3))/4-1=0 which lie ...
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- In A B C , on the side B C ,D and E are two points such that B D=D E=...
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- Column I Column II In A B C , if cos24+cos2B+cos2C=-1 then we can ...
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- If sintheta1+sintheta2+sintheta3=3, then costheta1+costheta2+costheta3...
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- Number of integral values of a for which the equation cos^2x-sinx+a=0 ...
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- It cos(alpha+beta)=4/5,sin(alpha-beta)=5/(13)and alpha,beta lie betwee...
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- A circle of radius 4cm is inscribed in A B C , which touches the side...
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- If sin^2theta=(x^2+y^2+1)/(2x) , then x must be -3 (b) -2 (c) 1...
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- If cos4x=a0+a1cos^2x+a^2cos^4x is true for all values of x in R , the...
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- If A B C ,sinC+cosC+sin(2B+C)-cos(2B+C)=2sqrt(2.) Prove that A B C ...
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- In a triangle ABC,angleC=90^@, r and R are the inradius and circumra...
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