Prove that cos65°+ cos115=sin155°-sin25°
Answers
Answered by
0
Step-by-step explanation:
We know that,
So,
Eqn(i)
We also know that,
So,
Eqn(ii)
Adding Eqn. (i)+(2i)
Hence, proved
Similar questions
Computer Science,
5 months ago
Social Sciences,
5 months ago
Geography,
5 months ago
Math,
9 months ago
India Languages,
9 months ago
English,
1 year ago
Physics,
1 year ago