Practicing with Trig Functions

Find the length of line segment AC.

• 14.432

• 13.285

• 31.297

To find a missing angle when given two sides, you must use ______ 

• Trigonometric Functions 
• Trigonometric Rations 
• Inverse Trigonometric Functions
• Pythagorean Theorem

Set up an equation that could be used to solve for the variable.

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Set up an equation that could be used to solve for the variable.

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Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle

• 49°
• 57°
• 45°
• 54°

What is the length of side x?

• 6.57 cm
• 7 cm
• 7.44 cm
• 26.33 cm

Solve for x. Round to the nearest tenth.

• 15.3
• 16.6
• 24.1
• 24.3

Find the measure of the indicated angle.

• 9.39
• 55.2
• 20.2
• 19.4

sin^-1(-1/2)

• π/3
• π/6
• 5π/6
• -π/6

cos^-1(0) = 

• π/2
• π
• 1
• none of these