Defining and Understanding Trigonometric Ratios

Solve for COS A. SIMPLIFY THE FRACTION!

• A
• B
• C
• D

Solve for TAN A

• A
• B
• C
• D

Solve for SIN A. SIMPLIFY THE FRACTION!

• A
• B
• C
• D

Find the length of side w.

• 17.9 cm
• 18.0 cm
• 43.5 cm
• 43.6 cm

Solve for x. Round to the nearest tenth.

• 103.5
• 4.7
• 4.6
• 103.6

Find the measure of the indicated angle (?) round to the nearest WHOLE DEGREE!

• 39^∘
• 55^∘
• 34^∘
• 56^∘

Find the MEASURE of the MISSING ANGLE (in the upper right corner) of the right triangle shown. 

• 90^∘
• 50^∘
• 40^∘
• CANNOT BE DETERMINED

Which TRIG FUNCTION, does NOT use the HYPOTENUSE in its ratio?

• sine
• cosine
• tangent
• secant

Find the ratio for COS A. SIMPLIFY THE FRACTION!

• 36/27
• 4/5
• 36/45
• 3/5

To use the Pythagorean Theorem, we need...

• A right triangle with 2 known angles  & 1 side
• A right triangle with 2 known angles
• A right triangle with 1 known side and 1 known angle
• A right triangle with 2 known sides