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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
- Let L be the line of intersection of the planes 2x""+""3y""+""z""=""...
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- If sin(120° – α) = sin(120° – β) and 0 < α, β < π then find the relati...
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- Solve cosxcos2xcos3x=1/4
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- Prove that: sin6^(@)sin42^(@)sin66^(@)sin78^(@)=1/16
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- Find the sign of the values of tan113^0-cos107^0=a and tan107^0-cos105...
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- Solve the equation (sqrt(3))/2sinx-cosx=cos^2x
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- Each equation contains statements given in two columns which have to b...
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- If xsina+ysin2a+zsin3a=sin4a xsinb+ysin2b+zsin3b=sin4b, xsinc+ysin2c...
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- Prove that (sin-cosx+1)/(sinx+cosx-1)=secx+tanx
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- The lengths of the medians through acute angles of a right-angled tr...
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- If 2tan^2x-5secx=1 is satisfied by exactly seven distinct values of x ...
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- In triangle A B C ,tanA+tanB+tanC=6a n dtanAtanB=2, then the values o...
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- If 2cosx+sinx=1, then find the value of 7cosx+6sinxdot
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- If sinx+sinygeqcosacosxAA in R , then siny+cosa is equal to
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- If alpha,beta,gamma are acute angles and costheta=sinbeta//sinalpha,co...
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- In triangle ABC, if cotA⋅cotC= 1 / 2 and cotB⋅cotC= 1 / 18 , then ...
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- Find the values of xa n dy for which cosec theta=(x^2-y^2)/(x^2+y^2) i...
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- The set of all x in the interval [0,pi] for which 2sin^2x-3sinx+1geq0 ...
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- If in a triangle (1-(r1)/(r2))(1-(r1)/(r3))=2 then the triangle is rig...
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- sum(n=1)^ootan(theta/(2^n))/(2^(n-1)cos(theta/(2^(n-1)))) is
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