jarrinpotts2021 jarrinpotts2021

08-05-2020
Mathematics

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In a right triangle, <A and <B are acute. Find the value of cos A, when tan A = 8/15 *

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Chelboy Chelboy

08-05-2020

Answer:cosA=15/17

Step-by-step explanation:

TanA=8/15

Opposite=8

adjacent=15

hypotenuse=√(15^2+8^2)

hypotenuse=√(15x15+8x8)

hypotenuse=√(225+64)

hypotenuse=√(289)

hypotenuse=17

cosA=adjacent/hypotenuse

CosA=15/17

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