Solving Trig Equations

Find the measure of the angle for tan(θ):

nearest tenth

Tags

CCSS.HSG.SRT.C.8

Solve for x° using inverse tangent.

• 30°

• 36.9°

• 27.6°

• 65.2°

Tags

CCSS.HSG.SRT.C.8

For what numbers x, 0 e x e2 ext{π}, does sin x= -1

• π/2, 3π/2

• 3π/2

• none

Tags

CCSS.HSF.TF.B.7

What method should be used to solve this problem?

• regular trigonometry

• Pythagorean theorem

• inverse trigonometry

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Solve for x.

• 24.20

• 4.92

• 290.4

• 29.75

Tags

CCSS.HSG.SRT.C.8

Since it is in Quadrant 2, to get the other answer, we need a reference angle. use the image to help you find the green theta

remember 3 decimal places

Mathematical Equivalence

ON

Answer explanation

180-118.816 gets you 61.184

Tags

CCSS.HSF.TF.A.2

Solve on the Interval [0,2π) 
   sinθ = -1   

• θ = π /2, 3π /2 

• θ = π /2

• θ = 3π /2

• θ = π  

Tags

CCSS.HSF.TF.B.7

Solve on the Interval [0,2π)
tan(x)+1=2

• 0 and π  

• 3π/4 and 7π/4

• π/4 and 5π/4

• 3π/4 and 5π/4

Tags

CCSS.HSF.TF.B.7

Solve on the Interval [0,2π)
     tan(x) + 1 = 0     

• x = π/4, x = 5π/4

• x = π/4, x = 3π/4

• x = π/2

• x = 3π/4, x = 7π/4

Tags

CCSS.HSF.TF.B.7

Solve for x

don't forget cot = cos/sin

• π

• π/3

• π/2

• -π

Tags

CCSS.HSF.TF.B.7