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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
- Find all solution of the equation. sinx+sin(π/8)sqrt((1−cosx)^2+sin^2x...
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- sin^3x.sin3x=underset(mrarr0)(oversetnsumCmcosmx is an identity in x,w...
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- Solve tan(picostheta)=cot(pisintheta) then the value of sin(π/4+θ)
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- The value of sum(r=0)^(10)cos^3((rpi)/3) is equal to (a)1/4 (b) 1/...
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- Solve the equation sin^4x+cos^4x-2sin^2x+(3sin^2 2x)/4=0
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- Prove that sin^2(A/2)+sin^2(B/2)-sin^2(C/2)=1-2cos(A/2)cos(B/2)sin(C/2...
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- solve sin(2x)+sin(x)=0?
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- In any triangle ABC, prove that sin^3Acos(B-C)+sin^3Bcos(C-A)+sin^3Cco...
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- Find the smallest positive root of the equation sqrt(sin(1-x))=sqrt(co...
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- cot16^0cot44^0+cot44^0cot76^0-cot76^0cot16^0= (a)1(b) 2 (c)3 (d) ...
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- Solve the equation tan^4x+tan^4y+2cot^2xcot^2y=3+sin^2(x+y) for the va...
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- The value of (2sinx)/(sin3x)+(tanx)/(tan3x) is.
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- Prove that the equation 2sinx=|x|+a has no solution for a in((3sqrt3-p...
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- Prove that tan(pi/(16))=sqrt(4+2sqrt(2))-(sqrt(2)+1)
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- Solve the equation 2sinx+cosy=2 for the value of xa n dydot
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- cos((2pi)/7)+cos((4pi)/7)+cos((6pi)/7)
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- Prove that sintheta+sin3theta+sin5theta+.....+sin(2n-1)theta=(sin^2nth...
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- Prove that (cos3x)/(sin2xsin4x)+(cos5x)/(sin4xsin6x)+(cos7x)/(sin6xsi...
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- Prove that 2sin2^0+4sin4^0+6"sin"6^0+.......+180sin180^0=90cot1^0dot
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- If A+B+C=180^@, then prove thatcos2A + cos2B +cos2C=-1-4cosA cosB cosC...
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