Write the Word or Phrase That Best Completes Each Statement

question 323

Short Answer

Write the word or phrase that best completes each statement or answers the question.
- $$\text { If } f ( \theta ) = \sin \theta \text { and } f ( a ) = - \frac { 1 } { 9 } , \text { find the exact value of } f ( a ) + f ( a - 4 \pi ) + f ( a - 2 \pi )$$

---

Definitions:

6 Months

A half-year period consisting of approximately 182.5 days, commonly used to measure time in contexts such as age, experience, and project timelines.

Expected Weight

The anticipated or desired weight of an individual based on factors such as age, height, and health conditions.

Embryonic Phase

A stage of prenatal development that occurs from the second to the eighth week after fertilization, during which the major organs and structures begin to form.

Lunar Phase

The shape of the directly sunlit portion of the Moon as viewed from Earth, which changes cyclically.