Explain what types of physical phenomena are best modeled by sinusoidal functions. What are the characteristics necessary?

Explain the basis for the cofunction identities and when they apply.

Will there always be solutions to trigonometric function equations? If not, describe an equation that would not have a solution. Explain why or why not.

For the following exercise,

Simplify the given expression.

$$\cos (-x) \sin x \cot x+\sin ^2 x$$

Starting with the product to sum formula $\sin \alpha \cos \beta=\frac{1}{2}[\sin (\alpha+\beta)+\sin (\alpha-\beta)]$, explain how to determine the formula for $\cos \alpha \sin \beta$.

What is the physical meaning of the expression $\delta = m \lambda = d \sin \theta$ in the two-slit experiment?

Why is it important for someone with exercise-induced asthma to find ways to participate in physical activity?

State the unit associated with the following derivatives and state the physical meaning of each derivative. $w^{\prime}(t)$

Contrast three size-dependent physical properties. Circle the measurement that changes with location.

Classify each example as a physical change or a chemical change. aluminum combining with oxygen to form aluminum oxide

What are some clues that help us to determine whether an observed change is physical or chemical?

Describe the physical differences between open tubular and packed columns. What are the advantages and disadvantages of each?

Classify each of the following as a physical or chemical change.

k. Acetone is used to dissolve and remove nail polish.

Describe the principles of physical and chemical vapor deposition. What applications do these processes have?