Given that cos 160= -q, express each of the following in terms of q:
a) cos 20
b)...
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Mathematics, 05.10.2019 12:30 keundrecrowe3552
Given that cos 160= -q, express each of the following in terms of q:
a) cos 20
b) sin 160
c) tan(-20)
d) cos 70
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