Angles and Radian Measure
Change 240° to radian measure in terms of π
4π /3
arctan(sin 3π/2)
-π/4
Find the period. y= sin 2x
π
Write an equation of the sine function: amplitude=3, period=π/4
y= 3 sin 8θ
Find the value tan(3π/2)
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Evaluate sin 3π /4
√2/2
What is the domain of arccos?
[0, π]
Find the amplitude. y = -2 cos x
Write an equation of the sine function: amplitude= 4, period= 3π/4
y = 4sin (8/3 θ)
Find the value csc (3π/2)
-1
Change 5π/12 radians to degrees
75°
Find the cos(arctan 3/4)
4/5
Find the period and amplitude. y = -.5 cos 8θ
amp = .5, per = π/4
Write an equation of the cosine function: amplitude = 5, period = π/7
y= 5cos(14 θ)
Find the value cot(π/2)
0
Convert 280° to radians in terms of π
14π/9
Write a sine function with the following translations: reflection, period is π, moved 1 units up
y = -sin2x +1
What does the value 'd' stand for in the equation y = d + a cos (bx + c)?
d is the vertical shift/location of midline
Write an equation of the cosine function: amplitude = 5, Period = 3π, reflection over x-axis
y = - 5cos (2/3 θ)
Find the value csc(5π/6)
2
Which angle in Quadrant II has a cosine value of -1/2?
240° or 4π/3 radians
Write a cosine function with the following translations: amplitude is 3, period is 2π, moved 2 units left, and 8 units down
y = 3 cos (x + 2) - 8
When would 'a' in the function y = a cos (bx) be a negative value?
if there's a reflection over the x-axis
Write an equation for a sine function with maximum at (1, 4) and minimum at (3, -4) and a period of 4
y = 4 sin (π/2 x)
Find the period of y = tan 4θ
period = π/4