Find the Value of the Unique Real Number Between 0 $\cos \theta = - \frac { \sqrt { 2 } } { 2 }$

question 318

Multiple Choice

Find the value of the unique real number between 0 and 2 that satisfies the given conditions.
- $\cos \theta = - \frac { \sqrt { 2 } } { 2 }$ and $\tan \theta > 0$

• A) \(\frac { 5 \pi } { 4 }\)
• B) \(\frac { 3 \pi } { 4 }\)
• C) \(\frac { 4 \pi } { 3 }\)
• D) \(\frac { \pi } { 4 }\)

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Definitions:

Antioxidants

Substances that can prevent or slow damage to cells caused by free radicals, unstable molecules that the body produces as a reaction to environmental and other pressures.

Concentration Gradient

The gradual change in the concentration of solutes in a solution as a function of distance through a solution.

Active Transport

Energy-requiring mechanism in which a transport protein pumps a solute across a cell membrane against the solute’s concentration gradient.

Transport Protein

Protein that moves specific ions or molecules across a cell membrane.