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3 cards from this section. Quick, good the night before a test.
What is sin 45° if the opposite side is equal to the adjacent side?
Remember the relationship between the sides for 45° angles.
Calculate cos 30° for a triangle where the adjacent side is √3 and hypotenuse is 2.
Use the ratio of adjacent side to hypotenuse.
What is the definition of sine?
Think about how the sides relate to the angle.
True or False: Tan θ = Opposite/Adjacent.
Remember the TOA part of SOH-CAH-TOA.
In a triangle where tan θ = 1, what can you conclude about the sides? Provide lengths to justify.
Think about the ratio and remember, tan only equals 1 for 45°.
Given a right triangle with a hypotenuse of 40 cm and one angle of 30°, find the lengths of the opposite and adjacent sides.
Utilize the sine and cosine definitions.
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