CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- The value of expression (2(sin1^0+sin2^0+sin3^0+...+sin89^0))/(2(cos1...
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- If sintheta1sintheta2-costheta1costheta2+1=0, then the value of tan((t...
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- on a cartesian plane, draw a line segment XY parallel to x-axis at a d...
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- In triangle A B C , prove that sin(A/2)+sin(B/2)+sin(C/2)lt=3/2dot H...
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- If x1 and x2 are two distinct roots of the equation acosx+bsinx=c , ...
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- (sqrt2-sinalpha-cosalpha)/(sinalpha-cosalpha) is equal to (a)sec(alp...
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- If (tan(alpha+beta-gamma))/("tan"(alpha-beta+gamma))=(tangamma)/(tanbe...
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- If sin(y+z-x),sin(z+x-y),"sin"(x+y-z) are in A.P., then t a n x ,tany...
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- Suppose A and B are two angles such that A , B in (0,pi) and satisfy s...
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- If "cot"(alpha+beta)=0, then "sin"(alpha+2beta) can be
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- The absolute value of the expression tan(pi/(16))+tan((5pi)/(16))+tan(...
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- Prove that: (sin2theta)/(1+cos2theta)=tantheta
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- If A and B are acute positive angles satisfying the equations 3 sin^(2...
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- The roots of the equation 4x^2-2sqrt(5)x+1=0,a r e
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- If x , y in R satisfies (x+5)^2+(y-12)^2=(14)^2, then the minimum v...
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- In triangle A B C , if sinAcosB=1/4 and 3t a n A=t a n B ,t h e ncot^...
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- the least positive value of x satisfying ( sin^(2) 2x + 4 sin^(4) x...
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- Prove that tan(pi/16)+2tan(pi/8)+4=cot (pi/16) .
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- Show that sqrt[2+sqrt[2+2cos4theta]]=2costheta
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- Prove that:(sec8theta-1)/(sec4theta-1)=(tan8theta)/(tan2theta)
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