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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
- The set of values of x satisfying the equation sin3alpha=4sinalphasin(...
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- cos e c(360^0)/7+cos e c(540^0)/7= (a) cosec(180^0)/7 ,(b) cosec(...
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- If (secA+tanA)(secB+tanB)(secC+tanC)=(secA-tanA)(secB-tanB)(secC-tanC)...
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- In a triangle A B C , the altitude from A is not less than B C andthe ...
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- If (3-tan^2(pi/7))/(1-tan^2(pi/7))=kcos(pi/7) then the value of k is...
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- If tan(A-B)=1a n dsec(A+B)=2/(sqrt(3)) , then the smallest positive va...
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- Prove that sqrt((1+sintheta)/(1-sintheta))=sectheta+tantheta
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- If in A B C ,A C is double of A B , then the value of cot(A/2)cot((...
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- If 3tan(theta-15^0)=tan(theta+15^0), then theta is equal to n in Z) ...
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- Let P(x)=((1-cos2x+sin2x)/(1+cos2x+sin2x))^2+((1+cotx+cot^2x)/(1+tanx+...
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- prove that 1/(secA-tanA)-1/(cosA)=1/(cosA)-1/(secA+tanA)
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- Number of solution(s) satisfying the equation 1/(sinx)-1/(sin2x)=2/(si...
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- If in A B C , side a , b , c are in A.P. then B > 60^0 (b) B<60^0 B...
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- The value of sin^3 10^0+sin^3 50^0-sin^3 70^0 is equal to (a)-3/2 ...
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- Show That 2(sin^6x+cos^6x)-3(sin^4x+cos^4x)+1=0
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- If the hypotenuse of a right-angled triangle is four times the length ...
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- The number of roots of (1-tantheta)(1+sin2theta)=1+tanthetafortheta in...
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- If cosx=tany ,cosy=tanz ,cosz=tanx , then the value of sinx is (a)2...
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- If tan theta+sin theta=m and tan theta-sin theta=n , then (a) m^2-n^2=...
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- If one side of a triangle is double the other, and the angles on op...
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