how this came from above
Attachments:
Answers
Answered by
2
Step-by-step explanation:
its a formula that
sin (a-b)= sina•cosb - sinb•cosa
sin (a+b)= sina•cosb + sinb•cosa
Similar questions
Math,
3 months ago
English,
3 months ago
India Languages,
7 months ago
Math,
1 year ago
English,
1 year ago