cos² 57º - sin² 33º = 0 without using trigonometric table prove that
Answers
Answered by
3
Step-by-step explanation:
cos 57 - sin( 90-57)
cos 57-cos57
0
Similar questions
Political Science,
19 days ago
Math,
19 days ago
Psychology,
1 month ago
Math,
7 months ago
Science,
7 months ago
Social Sciences,
7 months ago