Helppp i literally dont understand this at all

Jane Wayne asked Jan 25, 2023

397,864 views

40 votes

Jane Wayne asked Jan 25, 2023

2.5k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

14 votes

Answer:

D. Substitution

Explanation:

I don't know how to explain it other than that they substituted the 50° angle into the original equation.

Inigomedina answered Jan 31, 2023

2.5k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers