Precalculus Midterms 2022/23
Find the reference angle. -(11π)/12
π/12
Find the reference angle. (3π)/4
π/4
Find the area of each triangle to the nearest tenth. In △EFD, m∠F = 35°, m∠E = 110°, e = 10m
17.5m²
Find a coterminal angle between 0° and 360°. -394°
326° (add 360°)
Find the area of each triangle to the nearest tenth. In △HPK, k = 10mi, h = 16mi, p = 11mi
54.3mi²
Find a coterminal angle between 0 and 2π for each given angle. -((7π)/6)
5π/6
Find the reference angle. 245°
65°
Find the reference angle. -470°
70°
State the quadrant in which the terminal side of each angle lies. (4π)/9
I
State the quadrant in which the terminal side of each angle lies. 31°
I
State the quadrant in which the terminal side of each angle lies. -587°
II
State the quadrant in which the terminal side of each angle lies. (43π)/12
IV
State if the given angles are coterminal. 295°, -655°
No
State if the given angles are coterminal. ((13π)/9), -((5π)/9)
Yes