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The value of the expression (cos^–1 x)^2 is equal to sec^2 x.

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in Trigonometry by (49.0k points)
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State True or False for the statement:

The value of the expression (cos–1x)2 is equal to sec2 x.

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False

As, cos-1 x is not equal to sec x. So, (cos–1x)2 is not equal to sec2 x.

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