No, no one’s age can be a minus number. Here, “minus 87” means that the person had to wait eighty seven years before he could come back. He had taken...
It is true that measure of price elasticity of demand for a normal good carrier minus sign because there is an inverse relationship between P and Q. Whereas there is...
Solution: We have 4tanA = 3 so, tanA = 3/4
Now, (4sinA - cosA)/(4sinA + cosA)
First of all divide by cosA on both LHS and RHS ,
(4sinA/cosA - cosA/cosA)/(4sinA/cosA + cosA/cosA)
= (4tanA - 1)/(4tanA + 1)
Now, put tanA = 3/4
= (4 ×...