State True or False for the statement
The value of the expression (cos^–1x)² is equal to sec² x.

Question

State True or False for the statement The value of the expression (cos –1 x) 2 is equal to sec 2 x.

Philoid · Accepted Answer

False

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

sec² x.

State True or False for the statementThe value of the expression (cos–1x)2 is equal to sec2 x.