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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- If A+B+C=pi, prove that tan^2(A/2)+tan^2(B/2)+tan^2(C/2)geq1.
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- A triangle has sides 6,7, and 8. The line through its incenter para...
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- P(9,2) = P(x,2).Find x.
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- If |2sintheta-cos e ctheta|geq1 and theta!=(npi)/2,n in Z , then cos2...
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- Let fn(theta)=(cos(theta/2)+cos2theta+cos((7theta)/2)+....+cos(3n-2)(t...
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- Each side of triangle ABC is divided into three equal parts. Find the ...
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- Which of the following is not the solution of the equation sin5x=16sin...
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- (1+tanalphatanbeta)^2+(tanalpha-tanbeta)^2=
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- If cot^3alpha+cot^2alpha+cotalpha=1 then (a) cos2alpha.tanalpha=-1 ...
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- Find the range of f(x)=sqrt(sin^2x-6sinx+9)+3
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- The number of solution of the equation |2sinx-sqrt(3)|^(2cos^(2)x-3cos...
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- In triangle A B C ,l e tR=c i r c u m r a d i u s ,r= i n r a d i u ...
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- The expression cos^2(alpha+beta)+cos^2(alpha-beta)-cos2alpha.cos2beta,...
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- In triangle ABC, if A - B = 120 and R = 8r, where R and r have their u...
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- The sum of all the solution in [0,4pi] of the equation tanx+cotx+1=co...
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- If f(x , y) satisfies the equation 1+4x-x^2=sqrt(9sec^2y+4cos e c^2y) ...
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- Show that 16cos((2pi)/(15))cos((4pi)/(15))cos((8pi)/(15))cos((16pi)/(1...
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- A B C is an equilateral triangle of side 4c mdot If R , r, a n d,h are...
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- The total number of solutions of loge |sin x| = -x^2 +2x in [0,pi] is...
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- If sin^2theta1+sin^2theta2+sin^2theta3=0, then which of the following ...
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