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CENGAGE-TRIGONOMETRIC FUNCTIONS-Solved Examples And Exercises
- Let f(theta)=sintheta(sintheta+sin3theta)dot Then f(theta) is (a)g...
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- In A B C ,cotA/2+cotB/2+cotC/2 is equal to /(r^2) (b) ((a+b+c)^2)/(a...
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- The value of x in (0,pi/2) satisfying (sqrt(3)-1)/(sinx)+(sqrt(3)+1)...
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- Show that sin12^o sin48^o sin54^o =1/8.
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- If cos3theta=cos3alpha, then the value of sintheta can be given by +-s...
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- Prove that sin (A+B) sin (A-B)=cos^(2) B-cos^(2) A
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- alphaa n dbeta are the positive acute angles and satisfying equation 5...
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- If a=9,b=4a n dc=8 then find the distance between the middle point of ...
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- Which of the following sets can be the subset of the general solution ...
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- Given both thetaa n dphi are acute angles and sintheta=1/2,cosvarphi=...
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- If the cotangents of half the angles of a triangle are in A.P., then ...
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- e^(|sinx|)+e^(-|sinx|)+4a=0 will have exactly four different solutions...
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- If the sides of a triangle are 17 , 25a n d28 , then find the greatest...
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- If both the distinct roots of the equation |sinx|^2+|sinx|+b=0in[0,pi]...
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- Prove that ((a+b+c)(b+c-a)(c+a-b)(a+b-c))/(4b^2c^2)=sin^2A
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- The number of values of yin[-2pi,2pi] satisfying the equation |sin2x|+...
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- If alpha+beta=pi/2a n dbeta+gamma=alpha, then tanalpha equals
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- prove that a^2sin2B+b^2sin2A=4Delta
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- The equation cos^8x+bcos^4x+1=0 will have a solution if b belongs to ...
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- Let f(n)=2cosn xAAn in N , then f(1)f(n+1)-f(n) is equal to (a)f(n...
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