Use a calculator to find an approximate value of each expression correct to five decimal places, if it is defined.
(a)
$\cos ^ { - 1 } ( - 3 / 4 )$
(b)
$\sin ^ { - 1 } ( 0.25 )$

Question

Use a calculator to find an approximate value of each expression correct to five decimal places, if it is defined.
(a)
 $\cos ^ { - 1 } ( - 3 / 4 )$ 
(b)
 $\sin ^ { - 1 } ( 0.25 )$

Quizplus · Accepted Answer

The Answer of Use a calculator to find an approximate value of each expression correct to five decimal places, if it is defined.
(a)
 $\cos ^ { - 1 } ( - 3 / 4 )$ 
(b)
 $\sin ^ { - 1 } ( 0.25 )$

Use a Calculator to Find an Approximate Value of Each cos⁡−1(−3/4)\cos ^ { - 1 } ( - 3 / 4 )cos−1(−3/4)

Use a Calculator to Find an Approximate Value of Each $\cos ^ { - 1 } ( - 3 / 4 )$