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secondary 4 | A Maths
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Hello! I need help with this question thank you!
Date Posted: 3 years ago
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I stand corrected! Hope these are the right answers for you!
Date Posted:
3 years ago
tysm this was very helpful :)
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We are solving for 0° ≤ x ≤ 360° or essentially 40° ≤ 2x + 40° ≤ 760°, so we are effectively finding two complete quadrants worth of angles, so we are expecting four solutions for x.
2x + 40° = 20°, 160°, 380°, 520°, 740°, ...
We will get x = 60°, 150°, 240°, 350° within the stated intervals.