If $\sin \theta = \frac { \sqrt { 2 } } { 2 }$

question 36

Multiple Choice

If $\sin \theta = \frac { \sqrt { 2 } } { 2 }$ ,find the value of ? in degrees $\left( 0 ^ { \circ } < \theta < 90 ^ { \circ } \right)$ without the aid of a calculator.

• A)? = 30°
• B)?? = 45°
• C)??? = 90°
• D)??? = 75°
• E)??? = 15°

---

Definitions:

Chordates

A group of animals that have a notochord, a dorsal nerve cord, pharyngeal slits, and a post-anal tail at some point during their development.

Features Shared

Common traits or characteristics present across different species or groups, often indicating a common ancestry.

Taxonomic Groups

Categories used in the classification of organisms, arranged in a hierarchical system that ranges from broad to specific, such as kingdom, phylum, class, order, family, genus, and species.

Fossil Record

The collection of fossils, which are the preserved remains or imprints of organisms, providing historical evidence of life on Earth.