Right Triangle Trigonometry

Where is the reference angle?

d

side c

side b

Theta

side a

Identify the adjacent side relative to our reference angle.

Identify the opposite side relative to the reference angle.

What is the acronym for right triangle trigonometry we will use?

​ (a)   ​ (b)   ​ (c)  

• SOH
• CAH
• TOA
• SAH
• COH
• TAO

Tags

CCSS.HSG.SRT.C.8

Organize these options into the right categories

Groups:

(a) Opposite/Hyp

,

(b) Adjacent/Hyp

,

(c) Opposite/Adjacent

• Sin

• Tan

• Cos

Tags

CCSS.8.G.A.3

You must always keep your calculator/desmos in ______ mode

Tags

CCSS.6.G.A.1

Reorder the following based off the steps to set up and solve trig equations:

• Identify the reference angle

• Type your equation once x is by itself into desmos

• Pick your trig function based off of your sides known

• label the sides with respect to the reference angle

• Set up the equation and get x by itself

Tags

CCSS.HSG.SRT.C.8

What does adjacent mean?

• Beside

• Across

• Hypotenuse

• Opposite

What day is Mr. Pitts' birthday?

• 11/13

• 11/16

• 12/1

• 11/9

How do you know where the hypotenuse is in a right triangle?

• It's always opposite from the reference angle

• It's always opposite of the right angle

• It's always the shortest side

• There isn't a way to reliably tell where it is