trignometric ratios of coterminal angles are
a.Different
b.same
c.multiple of each other
d.non of these
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In trigonometry we use the functions of angles like sin, cos and tan. It turns out that angles that are coterminal have the same value for these functions. For example, 30°, 390° and -330° are coterminal, and so sin30°, sin390° and sin(-330°) and all have the same value (0.5).
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