Question

How do you find the value of `tan^-1 (4/3)`?

Answer 1

`Tan^-1(4/3)=90^@-Tan^-1(3/4)=90^@-36.86989765^@`
`Tan^-1(4/3)=53.13010235^@`

Explanation:

This came from the special triangle with sides `3, 4, 5` and angles
`36.86989765^@` and `53.13010235^@` and `90^@`

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