Originally Posted by nugiboy
Two possibilities :
- you transform tan into sin/cos :
you use the unit circle- you know the formula tan(a-b)
you use the formulaes cos(a-b) and sin(a-b)
We'll take care of the left hand side of the equation.
For the part 'ii' question, i can't seem to get it to work. I think i know the rules of logs pretty well. I started by dividing both terms by eachother as there is a - sign between them. Could someone give me help on that.
Thanks in advanced.
First of all, put every constant inside the logarithm.
Now you can divide :