Trig Equations and Identities

True or False: tan(x)= [sin(x)] / [cos(x)]

• True

• False

Tags

CCSS.HSF.TF.C.8

True or False:

4cos²x-1=0 then x = 3π/4 , 7π/4

• True

• False

Tags

CCSS.HSF.TF.B.7

How many solutions are there to sin(x) +1=0

• 1

• 2

• 3

• 4

Tags

CCSS.HSF.TF.B.7

Which is a solution to √2 cos(x)+1 = 0?

• 3π/2

• π

• 0

• None of the above

Tags

CCSS.HSF.TF.B.7

True or False:

cos²x + sin²x =cos(x)sin(x)

• True

• False

What are the solutions to cot(x) + 1 = 0?

• π,0

• 0,1

• 3π/4 , 5π/4

• 3π/2 , π

Tags

CCSS.HSF.TF.B.7

How confident are you in solving trig equations on a scale of 1-4? (All answers are correct)

• 1- I don't know how to at all

• 2

• 3

• 4- I am completely confident in solving trig equations.

Tags

CCSS.HSF.TF.B.7