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Questions and Answers
What is the value of cosine of an angle in a right triangle if the adjacent side is 3 units and the hypotenuse is 5 units?
In a special right triangle with angles 30°-60°-90°, what is the value of sine of 60°?
An observer is 100 meters away from the base of a building. The angle of elevation to the top of the building is 60°. What is the height of the building?
What is the value of cotangent in a right triangle if the opposite side is 4 units and the adjacent side is 3 units?
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A guy wire is attached to the top of a 20-meter pole and anchored to the ground 15 meters away. What is the angle of elevation from the anchor point to the top of the pole?
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