-
We need your support!
We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
Click here to Donate Now (View Announcement)
HELP!! maths P1 oct/nov 2005 Q9 iii
- Thread starter crash250
- Start date
- Messages
- 80
- Reaction score
- 7
- Points
- 18
Eq of curve: xy=12
Eq of line: y=10-2x
m of line: -2
m of curve at (2,6)= -12/4= -3
Now use m=tan x to find two differnt angles from the TWO gradients then subtract them
when m= -3
x=71.6 degree
when m= -2
x=63.4 degree
so angle bw them=71.6-63.4= 8.2 degree
Eq of line: y=10-2x
m of line: -2
m of curve at (2,6)= -12/4= -3
Now use m=tan x to find two differnt angles from the TWO gradients then subtract them
when m= -3
x=71.6 degree
when m= -2
x=63.4 degree
so angle bw them=71.6-63.4= 8.2 degree