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Find all solutions to sine(x) = k and cosine(x) = k in one cycle
Worksheet
Grade Level
Trigonometry
TRIG.94 Find all solutions to sine(x) = k and cosine(x) = k in one cycle
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🔴 Hard
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Using the reference angle and quadrant signs, solve cosine(x) = -sqrt(3)/2 on 3pi/2 <= x < 7pi/2. Use exact radian values with pi.
A
x = 2pi and 3pi
B
x = 5pi/3 and 10pi/3
C
x = 11pi/6 and 13pi/6
D
x = 17pi/6 and 19pi/6
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