Answer:
See explanation
Step-by-step explanation:
Assuming your system is:
Then make x the subject in the first equation to get:
Put this equation into the second equation to get:
This means that:
How do I find the four angles in different quadrants with the given reference angle 15 degrees
1 answer:
Answer:
15°, 165°, 195°, 345°
Step-by-step explanation:
The reference angle, 15°, is the smallest angle the terminal ray makes with the x-axis. In the first and fourth quadrants, the positive x-axis is the reference line. The angles will be ±15°, or 360°-15° = 345° if you require all angles to be positive.
In the second and third quadrants, the negative x-axis is the reference. That is 180°, so the reference angle will be added to or subtracted from 180° to give 165° or 195°.
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