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3 cards from this section. Quick, good the night before a test.
What is the hypotenuse of a triangle with sides of 3 cm and 4 cm?
Remember, a² + b² = c².
Identify the opposite side for angle θ in a right triangle where θ is 45° and the legs are equal.
Think about the triangle's angles.
What is the longest side of a right-angled triangle called?
Think about the triangle's layout.
True or False: The tangent of an angle is the ratio of the adjacent side to the opposite side.
Recap tangent's definition.
A triangle has a hypotenuse of 15 m and one angle measuring 60°. Calculate the length of the opposite side.
Use the sine definition.
Prove that if sin²θ + cos²θ = 1, the radius of the circle is constant when plotted in Cartesian coordinates.
Visualize the unit circle in relation to trigonometric functions.
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