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CENGAGE-TRIGONOMETRIC FUNCTIONS -Exercise 2.5
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- Find the minimum value of 9tan^2theta+4cot^2theta
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- Which of following is correct (where n in N) ?
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- If sin^2theta1+sin^2theta2+...+sin^2thetan=0, then find the minimum va...
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- If sin^2theta=x^2-3x+3 is meaningful, then find the values of x.
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- If a,b,c inR then prove that sec^2theta=(bc+ca+ab)/(a^2+b^2+c^2)only i...
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- Find the range of f(x)=sqrt(4-sqrt(1+tan^2x)).
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- Find the range of f(x)=1/(2abscosx-3)
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- Find the tange of f(x)=cos^4x+sin^2x-1.
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- Find the minimum value of the function f(x)=(1+sinx)(1+cosx),AAx i...
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- Prove that (sintheta+cosectheta)^2+(costheta+sectheta)^2ge9.
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- Find the range of f(x)=cosec^2x+25sec^2x.
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- If cos^2x+cosx=a+2, then find the value of a for which equation has so...
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- If a^2+2a+cosec^2(pi/2(a+x))=0, then, find the values of a and x.
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