If cos a=4/5 then find the value of tan a
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11
Answer:
3/4
Step-by-step explanation:
cos(a) =4/5
b²=√(c²-a²)
b²=√5²-4²
b=3
sin(a)=3/5
tan(a)=sin(a)/cos(a)
=3/5*5/4
=3/4
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3
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