asked 96.6k views
23 votes
What is cos 10° cos 8° − sin 10° sin 8° equal to?

asked
User Kresimir
by
7.2k points

1 Answer

4 votes

Answer:

Explanation:

cos 10° cos 8° − sin 10° sin 8° = cos(10° + 8°) = cos(18°)

answered
User Carlos Fonseca
by
8.8k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.