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OBJECTIVE RD SHARMA-TRIGONOMETRIC RATIOS AND IDENTITIES-Exercise
- If tantheta=(1)/(2) and tanphi=(1)/(3), then the value of theta+phi i...
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- cos^12 x+3cos^(10)x+3cos^8x+cos^6x-2
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- Write the maximum value of 12 s intheta-9sin^2\ \ thetadot
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- If f(x) = cos^2 x + sec^2 x, its value always is
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- The maximum value of 3 cos x+4sinx+5, is
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- If cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma, then which...
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- cos(alpha-beta)=1a n dcos(alpha+beta)=l/e , where alpha,betamu in [-pi...
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- The maximum value of sin(theta+pi/6)+cos(theta+pi/6) is attained at th...
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- If A +B+C= pi and m/C is obtuse then tan A. tan B is
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- If 0 < theta < 2pi, then the intervals of values of ? for which 2si...
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- If tantheta=x-1/(4x), then sectheta-tantheta is equal to
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- If sectheta=x+1/(4x), then s e ctheta+t a ntheta= x ,1/x (b) 2x ,1/(...
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- If piltthetalt 2pi, then sqrt((1+costheta)/(1-costheta)) is equal to
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- If theta lies in the second quadrant, then the value sqrt(((1-sinth...
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- sin^2 theta =(x+y)^2/(4xy) where x,yinR gives theta if and only if
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- sec theta=(a^(2)+b^(2))/(a^(2)-b^(2)), where a, binR, gives real balue...
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- If 0^@ltthetalt180^@ then sqrt(2+sqrt(2+sqrt(2+...+sqrt(2(1+costheta))...
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- sin65^(@)+sin43^(@)-sin29^(@)-sin7^(@) is equal to
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- If sec alpha and cosec alpha are the roots of the equation x^(2)-ax+b=...
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- The value of the expression 3(sinx-cosx)^(4)+4(sin^(6)x+cos^(6)x)+6(s...
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