Find the sine, cosine, and tangent of angle A. Give your answers as a fraction in simplest form. 72
B.
3
16
20
sin A =
cos A =
tan A =

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.

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step-by-step explanation:

are ya tryin to ask something or is this a statement