In ∆ABC, if sin A =4/5 and tan A =4/3 , then what is cos A?
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Step-by-step explanation:
sin A = 4/5 this means that the opposite side is 4 and hypotenuse is 5.
tan A= 4/3 this means that the opposite side is 4 and the adjacent side is 3.
Therefore, the above image is formed
And therefore cos A= adjacent side/ hypotenuse
cos A = 3/5
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Answer:
3/4
Step-by-step explanation:
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