Recommended Questions
- सिद्ध कीजिये की सारणिक Delta =|(cos(x+y),-sin(x+y),cos2y),(sinx,cosx,s...
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- (sinx-siny)/(cosx+cosy)=tan(x-y)/(2)
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- यदि P(x)=[{:(cosx,sinx),(-sinx,cosx)" तथा "P(y)=[(cosy,siny),(-siny,co...
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- e^(x-y)(sinx+cosx)dx+(cosy-siny)dy=0
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- If cosx+cosy+cosz=sinx+siny+sinz=0" then "cos(x-y)=
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- If sinx+cosy=a and cosx+siny = b, then tan""(x-y)/(2) is equal to :
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- If sinx+siny=p,cosx+cosy=q then sec(x+y)=
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- सिद्ध कीजिए कि- (sinx-siny)/(cosx+cosy)="tan"(x-y)/(2).
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- यदि sinx+siny=a व cosx+cosy=b हो, तब tan((x+y)/(2)) का मान है
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