Question

the value off cos is?​

Answer 1

Answer:

$\huge\underbrace\bold\red{AnswEr}$

the value of cos 180° is -1. The value of trigonometric ratios for different angles are given for the reference.

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Answer 2

Answer:

here is ur answer mate

2, we say x = cos−1(1 2). The function f(x) = cosx has all real numbers in its domain, but its range is −1 ≤ cosx ≤ 1. The values of the cosine function are different, depending on whether the angle is in degrees or radians. The function is periodic with periodicity 360 degrees or 2π radians.