Substituting Tan $\theta$ For Sin $\theta$ Results in What Percent Error for an Angle of 5

question 64

Multiple Choice

Substituting tan $\theta$ for sin $\theta$ results in what percent error for an angle of 5.00 $^{\circ}$ ?

• A) 5.00
• B) 0.0166
• C) 0.0333
• D) 0.191
• E) 0.381

---

Definitions:

Myosin Head

The globular part of the myosin protein that binds to actin filaments in muscle cells during contraction.

Troponin

A protein complex involved in the regulation of skeletal and cardiac muscle contraction, which binds to calcium ions causing a change that allows muscle contraction.

ATPase Activity

The enzymatic activity involved in hydrolyzing ATP (adenosine triphosphate) to release energy.

Thin Myofilament

A component of the muscle fiber responsible for muscle contraction, composed primarily of the protein actin.