Find an Algebraic Expression That Is Equivalent to the Expression $$\cos ( \arcsin 2 x )$$

question 16

Multiple Choice

Find an algebraic expression that is equivalent to the expression.. $$\cos ( \arcsin 2 x )$$

• A) \(\sqrt { 4 x ^ { 2 } - 1 }\)
• B)\(\frac { 1 } { \sqrt { 1 + 4 x ^ { 2 } } }\)
• C) \(\sqrt { 1 + 4 x ^ { 2 } }\)
• D) \(\sqrt { 1 - 4 x ^ { 2 } }\)
• E) \(\frac { 1 } { \sqrt { 1 - 4 x ^ { 2 } } }\)

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Definitions:

Variable Costs

Charges that adjust in line with the scale of production or sales figures.

Variable Overhead Efficiency Variances

The difference between the actual variable overhead incurred and the standard cost of variable overhead that should have been incurred based on efficient operations.

Fixed Overhead Volume Variances

The difference between the budgeted and actual fixed overhead costs, attributed to changes in production volume.

Flexible Budget

A budget that adjusts or varies with changes in volume or activity levels.