Rewrite with only sin x and cos x.sin 3x - cos 2x
A. 2 sin x cos2 x + sin x - 2 sin3 x - 1 - 2 sin2 x
B. 2 sin x cos2 x + sin x - 2 sin3 x - 1 + 2 sin2 x
C. 2 sin x cos2 x - sin x + 2 sin3 x + 1 - 2 sin2 x
D. 2 sin x cos2 x + sin x - 2 sin2 x - 1 + 2 sin2 x
Answer: B
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Write log y = 3.49 in exponential form.
a. y10 = 3.49 b. 10y = 3.49 c. y = 3.4910 d. y2ú49 = 10 e. y = 103ú49
Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.cos2 x + 2 cos x = -1
A. {? + 2n?}
B. {2n?}
C. {n?}
D. 
Factor completely. If the polynomial is prime, say so.2k3 - 54
A. 2(x - 3)(x2 + 9) B. 2(x - 3)(x2 + 3x + 9) C. (2x - 3)(x2 + 3 + 18) D. 2(x + 3)(x2 - 3x + 9)
Find the due date and proceeds. Round to the nearest cent.
A. August 30; $4972.50 B. August 30; $5227.50 C. August 28; $5227.50 D. August 28; $4972.50