Question

If 4tan A = 3, find the value of
4Sin A + Cos'A-1÷4sin A + cos A-1​

Answer 1

tan a=3/4

by Pythagoras theorem the third side would be 5

from this

4×3/5+4/5-1/4×3/5+4/5-1

12/5+-1/5 / 12/5+-1/5

12-1/5 /12-1/5

11/5 / 11/5

0