trigonometry

Find the missing value.

Round to the nearest tenths.

• 52.1^o

• 37.9^o

• 52.1 cm

• 50.6 cm

What is the saying we use to remember the trig functions?

• SOH CAH TOA

• SAH COH TAO

• COH SAH TOA

• SOH COH TOH

Solve for x. Round to the nearest tenth.

• 7.5
• 34.1
• 14.1

What is the amplitude of the graph? 

• 1
• 3
• 6
• 9

What is the period of this equation?
y = -5sin(3x)

• -5
• 2pi/3
• 2pi/5
• 3

The period of a sine or cosine graph can be found by ....

• It's always 2π
• 2π/B
• B(2π)
• 2π+B

Solve
cosθ = - √(3)/2  
on θ∈[0, 2π)

• θ = π /3, 2π /3
• θ = 2π /3, 4π /3
• θ = π /6, 5π /6
• θ = 5π /6, 7π /6

Which of the following is the solution of sin²x + cos²x = 2?

• 0

• π/4

• π/6

• no solution

Solve sinθ = ½ on θ∈[0, 2π)

• θ = π / 6,  7π / 6
• θ = π / 6,  5π / 6
• θ = 5π / 6,  7π / 6
• θ = 7π / 6,  11π / 6

 $Solve\sin2⁡x=\frac{\sqrt{3}}{2}\ for\ 0≤x≤360°$  

• 30, 150
  

• 30, 60, 210, 240
  

• 60, 120
  

• 15, 75, 195, 255