207k views
3 votes
Cos s=-2/5 and sin t=4/5, s and t are in quadrant II

find cos(s+t) and cos(s-t)

No spam!​

User Corydoras
by
7.7k points

1 Answer

6 votes

Your answer is attached.

Hope it helps you!

Cos s=-2/5 and sin t=4/5, s and t are in quadrant II find cos(s+t) and cos(s-t) No-example-1
User Paulo Fidalgo
by
8.2k points

No related questions found

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

9.4m questions

12.2m answers

Categories