Use a calculator to solve the equation on the interval 0 ? ? < 2?. Round the answer to two decimal places.cos ? = 0.64
A. {0.88, 4.02}
B. 0.88, 2.26
C. {0.88, 2.45}
D. {0.88, 5.40}
Answer: D
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Find the quotient16 ÷ 
A. - 
B. - 
C. -8
D. -56
An object moves in simple harmonic motion described by the given equation, where t is measured in seconds and d in meters . Find the maximum displacement, the frequency, and the time required for one cycle.d = 6 cos 5t meters
A. displacement = 6 meters; period = 5 ? seconds; f = 
oscillations/second
B. displacement = 6 meters; period = 
seconds; f = 
? oscillations/second
C. displacement = -6 meters; period = 
? seconds; f = 
oscillations/second
D. displacement = 6 meters; period = 
? seconds; f = 
oscillations/second
Solve the equation. Give an exact solution.ln(3x - 2) = ln(2) - ln(x - 1)
A. 1, 
B. No solution
C. 0, 
D. 
Solve the equation for the indicated variable.A = 
?r2 for r
A. r = 
B. r = ± 
C. r = 3
D. r = ± 