Math, asked by lennonkongkham, 1 year ago

please help this question

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Answered by anandjatin
1
sinA=3/5

sin=height/hypotenuse

according to Pythagoras theorem,

AC^=AB^-BC^

4^=3^-BC^

16=9-BC^

BC^=√(-7)

cosA=base/hypotenuse
=BC/AC
=√-(7)/4

tanA=height/base
=AB/BC
=3/√-(7).
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anandjatin: welcome
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