This is something you memorize, have on a reference sheet/table, or use the unit circle.
Note: pi/4 radians = 45 degrees
Answer:
which triangle am confuse
Answer:
The correct option is d.
Step-by-step explanation:
The directional hypothesis is:
The sample size is, <em>n</em> = 40.
The significance level is:
Use the t-table to compute the right-tailed t-critical value as follows:
The value is positive since the directional hypothesis suggests that the test is right tailed.
The correct option is d.
Answer:
-1
Step-by-step explanation:
We can use the slope formula
m = ( y2-y1)/(x2-x1)
= ( -1 -4)/( 2 - -3)
= ( -1-4)/( 2+3)
= -5/5
= -1