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যদি y=cos-1x2 হয়, তবে প্রমাণ কর যে, 1-x2y2-xy1=2

dsuc.created: 2 years ago | dsuc.updated: 2 years ago
dsuc.updated: 2 years ago

y=cos-1x2

y1=2cos-1x-11-x2

y121-x2=4cos-1x2

y121-x2=4y

y12-2x+1-x22y1y2=4y1

1-x2y2-xy1=2 Proved

2 years ago

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