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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- One of the general solutions of 4sin^4x+cos^4x=1 is npi+-alpha/2,alph...
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- The value of the expression (tan^2 20^0-sin^2 20^0)/((tan^2 20^0)(sin^...
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- A piece of paper is in the shape of a square of side 1m long. It is cu...
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- If sinx+cosx=(sqrt(7))/2, where x in 1s t quadrant, then tan(x/2) is e...
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- If tantheta+sectheta=1. 5 , find sintheta,tantheta and secthetadot
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- Show that the line joining the incenter to the circumcenter of triangl...
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- For n in Z , the general solution of (sqrt(3)-1)sintheta+(sqrt(3)+1)c...
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- The value of cot70^0+4cos70^0 is
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- In A B C , right-angled at C , if tanA=sqrt((sqrt5-1)/2) , show tha...
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- If "coses"theta-sintheta=m,sectheta-costheta=n,"eliminate"theta
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- The solution of 4sin^2x+tan^2x+cos e c^2x+cot^2x-6=0i s(n in Z) (a) ...
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- The value of sin (pi/14)sin(3pi/14)sin(5pi/14)sin(7pi/14)sin(9pi/14)si...
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- If 3sintheta+5costheta=5, then show that 5sintheta-3costheta=+-3.
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- In A B C , if (sinA)/(csinB)+(sinB)/c+(sinC)/b=c/(a b)+b/(a c)+a/(b c...
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- 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
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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 and the...
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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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