Question: a) Express sin (180 + x) in terms of sin x. b) Express cos (180 x) in terms of cos x. c) Express tan

a) Express sin (180° + x) in terms of sin x.

b) Express cos (180° − x) in terms of cos x.

c) Express tan (180° + x) in terms of tan x.

d) Express tan (360° − x) in terms of tan x.

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