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2 cards from this section. Quick, good the night before a test.
Define sine, cosine, and tangent based on a right triangle.
Refer to SOHCAHTOA.
Calculate sin 30°.
Look at the reference table of specific angles.
What is the sine of 30°?
Check your angle value reference.
True or False: Cosine is the ratio of the adjacent side to the hypotenuse.
Remember the sine and cosine definitions.
Given a right triangle with one angle at 30° and adjacent side length of 4 cm, find the length of the opposite side.
Remember the tangent value for 30°.
Prove that (1 + tan²A) equals sec²A using a right triangle.
Revisit the fundamental identities we discussed.
4 more questions in this section. Enroll free to practise them all.
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