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CENGAGE-TRIGONOMETRIC FUNCTIONS-Solved Examples And Exercises
- If y=(1+t a n A)(1-t a n B), where A-B=pi/4, then (y+1)^(y+1) is eq...
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- If cos(x+pi/3)+cos x=a has real solutions, then (a) number of inte...
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- Solve the equation sin^3x.cos3x+cos^3x.sin3x+3/8=0
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- If cos28^0+sin28^0=k^3, t h e ncos17^0 is equal to (a)(k^3)/(sqrt(2)...
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- Solve the following system of simultaneous equation for xa n dydot ...
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- If (1+tanalpha)(1+tan4alpha)=2,alpha in (0,pi/(16)), then alpha is e...
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- For the equation 1-2x-x^2=tan^2(x+y)+cot^2(x+y) (a)exactly one valu...
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- If tan^2((pi-A)/4)+tan^2((pi-B)/4)+tan^2((pi-C)/4)=1 , then A B C is ...
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- For the smallest positive values of xa n dy , the equation 2(sinx+sin...
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- The minimum vertical distance between the graphs of y=2+sinx and y=cos...
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- Solve sinx+sinsqrt((pi/8(1-cos2x)^2+sin^2 2x))=0
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- Suppose sin^3xsin3x=sum(m=0)^n Cmcosm x is an identity in x , where ...
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- Solve tan(pi/2costheta)=cot(pi/2sintheta)
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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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- 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 +1/4sin^2 3x=sinxsin^2 3x
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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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