Mathematics: Lilly spent 1/6 of her freet ime practiceing soccer and 5/12 of her time free time playing a video game what fraction of her free time did she spend on these two activites

Lilly spent 1/6 of her freet ime practiceing soccer

jasminellenaee

13.03.2023

Step-by-step explanation:

Use the angle difference formula for cosine.

cos(α − β) = cos α cos β + sin α sin β

cos(180° − θ) = cos 180° cos θ + sin 180° sin θ

cos(180° − θ) = (-1) cos θ + (0) sin θ

cos(180° − θ) = -cos θ

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