1. 9-1 & 9-2 Trigonometry Functions

2. Vocabulary

3. Examples 1) Write the ratios for Sin A Cos A Tan A 2) Write the ratios for Sin A Cos A Tan A

4. Examples Use the calculator to find… 3) Sin 27º = 4) Cos 88º = 5) Tan 35º = Find x. Round to units. 6) Sin x = 0.3100 7) Cos x = 0.4226 8) Tan x = 0.8391

5. Examples Find angles to nearest degree and sides to nearest tenth. Hints.. When finding angle use inverse functions When x is numerator of a fraction, multiply When x is denominator of a fraction, divide 9) Solve for x.

6. Examples Find angles to nearest degree and sides to nearest tenth. 10) Solve for x.11) Solve for x.

7. Examples Find angles to nearest degree and sides to nearest tenth. 12) Solve for y.13) Solve for y.