Exam 8: Triangle Trigonometry and Polar Coordinates

The grade of the road is $8.3 \%$ . What angle does the road make with the horizontal? Round your answer to 3 decimal places.

Find the following exactly using the figure given if $A=B$ and $b=3$ . Express your answers as unsimplified radicals when appropriate. A) $\sin A^{\circ}$ B) $\cos A^{\circ}$ C) $\tan A^{\circ}$ D) $\sin B^{\circ}$ E) $\cos B^{\circ}$ F) $\tan B^{\circ}$

An ant walks up a ramp at an incline of $12^{\circ}$ . If, after 2 minutes, his vertical distance from the ground is 12 inches, how fast was the ant travelling in inches per minute? Round your answer to 2 decimal places.