Question

in a triangle ABC right angled at c if cos A 4/5 then value of tan a is​

Answer 1

Answer:

5/3

Step-by-step explanation:

in triangle abc

tanA=4/5=ac/ab

then ac=4x and ab=5x

by pythagoras theorem

ab²=ac²+bc²

bc²=25x²-16x²

bc²=9x²

bc=3x

tanA=ab/bc=5x/3x=5/3

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Answer 2

Answer:

plz try for your self

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