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If sin A = 0, what is the value of A? (2019)
Practice Questions
Q1
If sin A = 0, what is the value of A? (2019)
0°
90°
180°
360°
Questions & Step-by-Step Solutions
If sin A = 0, what is the value of A? (2019)
Steps
Concepts
Step 1: Understand that sin A represents the sine of angle A.
Step 2: Know that the sine function equals 0 at specific angles.
Step 3: Identify the angles where sin A = 0: these are 0°, 180°, and 360°.
Step 4: Recognize that the principal value (the most common or first value) is 0°.
Trigonometric Functions
– Understanding the values of sine function and its periodic nature.
Principal Value
– Identifying the principal value of an angle in trigonometric functions.
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