if sin B=1/2 show that 3cos B - 4cos square B = 0
Answers
Answered by
2
Answer:
sinB = 1/2
therefore cos B = root( 1-1/4) =root(3/4)
therefore
3×root(3/4) - 4×3/4 = 3root3 - 3
Answered by
2
Answer:
I hope it will help u............
Attachments:
Similar questions
Social Sciences,
4 months ago
Math,
4 months ago
India Languages,
4 months ago
Chemistry,
9 months ago
Math,
9 months ago
Geography,
11 months ago
Science,
11 months ago
Biology,
11 months ago