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Question

Question: tan (cos<sup>–1</sup> x) is equal to-...

tan (cos–1 x) is equal to-

A

1−x2x\frac{\sqrt{1 - x^{2}}}{x}

B

x1+x2\frac{x}{1 + x^{2}}

C

1+x2x\frac{\sqrt{1 + x^{2}}}{x}

D

1−x2\sqrt{1 - x^{2}}

Answer

1−x2x\frac{\sqrt{1 - x^{2}}}{x}

Explanation

Solution

Ž tan–1[x+y+z−xyz1−xy−yz−zx]\left\lbrack \frac{x + y + z - xyz}{1 - xy - yz - zx} \right\rbrack= p

Ž x + y + z – xyz = 0

Ž x + y + z = xyz