How do you find the value of #cot 300^@#?
To find the value of
Note: Remember that when you write it with
Let's first look at the two easiest ways to write this:
An important thing to remember is in which quadrants will a trigonometric function be positive. Here's an illustration:
A stands for all.
S stands for sin.
T stands for tan.
C stands for cos.
This means that
all fuctions are positive in the first quadrant,
the sin function and it's co-function csc are positive in the second quadrant,
the tan function and it's co-function cot are positive in the third quadrant,
the cos function and it's co-function sec are positive in the fourth quadrant.
One way to remember this arrangement is to recite the sentence:
This tells us which function would be positive in which quadrant.
I personally like to use the sentence
So, let's solve using the first equation.
The angle is greater than
Also, since you've used
Now, let's solve the second equation.
Here, the angle is expressed with