1. The reference angle of 258° is D. 2. Which quadrant does lie? 17T 6 3. Give one coterminal angle of -115°. 4. If sin = 0.9659, then 0 is I 5.₁ I a quadrantal angle.

Assume that 4A and 4B are complementary and 4B and 4C are supplementary. Find the missing angles. 12. If maA = 48°, then maB and maC = 13. If maB = 83, then maA= and maC 14. If maC = 127°, then maA and maB

48. Which is the angle of depression in this figure? E D 49. let b= the height of the building, and f the height of the flagpole. Using 30° as an angle of elevation of the top of the building, and 32° for the flagpole, what will be the height of the flagpole? 300 ft 50. How far (x) is the boat from the bottom of the lighthouse? level 70 ft 51. A flagpole cast a shadow of 15 meters on the ground. If the angle of elevation of the sun is 30°, what will be the height (x) is the flagpole at the right? X 30⁰ -15 m-

Find three angles with the same sine or cosine of 5.2, up to sign. 3 3.5 2.5 4 1.5 2 -0.5 0.5 0.5+ -0.5+ 4.5 5 [mark all correct answers] a. 1.1 b. 2.1 ☐ c. 3.2 d. 4.2 e. 6.2 0.5. 5.5 6