3 years ago

If sin a = 5/13 what is cos a

Mathematics

1 answer:

inysia [295]3 years ago

7 0

Answer:

SIN(a) = G/H = 5/13

A^2 + G^2 = H^2 --> A = √(H^2 - G^2) = √(13^2 - 5^2) = 12

COS(a) = A/H = 12/13

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