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4 cards from this section. Quick, good the night before a test.
If the opposite side is 4 cm and the adjacent side is 3 cm, what is the angle?
Remember to use tangent for opposite and adjacent sides.
What angle corresponds to sin⁻¹(0.5)?
Think about the values of sine for common angles.
What indicates an angle when given two sides of a triangle?
Think about how we use side lengths.
True or False: You can only find angles in right-angled triangles.
Consider the definition of trigonometric ratios.
A 15 ft tall ladder reaches a window. The bottom of the ladder is 9 ft from the wall. What angle does the ladder make with the ground?
Draw a diagram to visualize.
In a right triangle, if the hypotenuse is 25 cm, and the opposite side is 15 cm, find the angle at the base.
Remember the sine function relates to the opposite side.
4 more questions in this section. Enroll free to practise them all.
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