Recommended Questions
- सिद्ध कीजिए cos((pi)/(4)+x)+cos((pi)/(4)-x)=sqrt2cosx
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- Prove that:cos(pi/4-x)cos(pi/4-y)-sin(pi/4-x)sin(pi/4-y)=sin(x+y)
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- cos(pi/4-x)cos(pi/4-y)-sin(pi/4-x)sin(pi/4-y)=sin(x+y)
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- cos .((pi)/(4)-x) cos ((pi)/(4)-y) –sin ((pi)/(4) –x) sin ((pi)/(4)-y)...
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- इन को सिद्ध कीजिएः cos((3pi)/(4)+x)-cos((3pi)/(4)-x)= -sqrt2cosx
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- सिद्ध कीजिए कि फलन सम्मुख दिए गए अन्तराल में ह्रासमान है । f(x) ...
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- Prove that cos (pi/4-x) cos (pi/4-y)- sin (pi/4-x) sin(pi/4-y) =si...
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- cos ((pi)/(4) - x) cos ((pi)/(4) -y) - sin ((pi)/(4) -x) sin ((pi)/(4)...
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- cos ((pi)/(4) - x) cos ((pi)/(4) -y) - sin ((pi)/(4) -x) sin ((pi)/(4)...
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