Question: a. Given that 3 sin (x y) sin (x + y) = 0, show that tan x = 2 tan y. b. Solve

a. Given that 3 sin (x − y) − sin (x + y) = 0, show that tan x = 2 tan y.

b. Solve 3 sin (x − 45°) − sin (x + 45°) = 0, for 0 ≤ x ≤ 360°.

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