Question
How do I find the value of sin ( A-B)
When tan A= 4/3
Cot B= 5/12
When tan A= 4/3
Cot B= 5/12
Answers
Steve
If all the angles are in QI, then
sinA = 4/5
cosA = 3/5
sinB = 12/13
cosB = 5/13
now just use the difference formula
sinA = 4/5
cosA = 3/5
sinB = 12/13
cosB = 5/13
now just use the difference formula