Mathematics, 11.08.2021 20:40, boo050341

shown below, an observer (0) is located 900 feet from a building (B). The observer notices a helicopter (H) flying at a 49° angle of elevation from his line of sight. What equation and trigonometric function can be used to solve for the height (h) of the helicopter? What is the height of the helicopter?

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shown below, an observer (0) is located 900 feet from a building (B). The observer notices a helicop...