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stiv31 [10]
3 years ago
13

Find the exact values of sin A and cos A. Write fractions in lowest terms. A right triangle ABC is shown. Leg AC has length 21,

leg BC has length 28, and hypotenuse AB has length 35.
Mathematics
2 answers:
vampirchik [111]3 years ago
7 0
Sin A = opposite / hypotenuse = BC / AB = 28/35  = 4/5

cos A = adjacent /hypotenuse = AC/AB =  21 / 35  = 3/5
andrey2020 [161]3 years ago
3 0
SinA=BC/AB=28/35=4/5; cosA=AC/AB=21/35=3/5.
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