Answer to Question #75946 in Trigonometry for Bridget

Question #75946

(1) Solve sin x cos x = 0.

(2) Solve 2 sin2 x − sin x − 1 = 0.

(3) Solve cos x + cos 2x = 0.

(4) Solve 2 cos x + sec x = 3.

(5) Solve sec x − 1 = tan x.

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