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Why negative - what’s going on?
What are the first four positive solutions of: sinx = 0.5?
A
30, 150, 390, 510
B
30, 210, 390, 570
C
30, 150, 240, 510
D
30, 210, 330, 570
What are the first four positive solutions of: cosx = 0.5?
A
60, 300, 420, 660
B
60, 240, 420, 480
C
60, 300, 240, 660
D
60, 120, 240, 480
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Post 16 Master Class - Maths - Quiz
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