Solve the Equation for Exact Solutions $$\cos ^ { - 1 } x = \sin ^ { - 1 } \frac { 4 } { 5 }$$

question 461

Multiple Choice

Solve the equation for exact solutions.
- $$\cos ^ { - 1 } x = \sin ^ { - 1 } \frac { 4 } { 5 }$$

• A) \(\left\{ \frac { 3 } { 4 } \right\}\)
• B) \(\varnothing\)
• C) \(\left\{ \frac { 3 } { 5 } \right\}\)
• D) \(\{ 0 \}\)

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Definitions:

Query Design View

A graphical user interface in database software that helps users construct and visualize database queries.

Update

The process of making changes, additions, or corrections to software or data to bring it up to date.

Self Join

A type of SQL join where a table is joined to itself to extract information that is related within the same table.

Is Null

A term used in databases and programming to indicate that a data value does not exist or is missing.