All High School Math Resources
Example Questions
Example Question #1 : Trigonometric Equations
If
, find .
Possible Answers:
0
-2
-1
1
2
Correct answer:
2
Explanation:
First we need to simplify each term:
So we will have:
Since we have the value of
, we can divide the numerator and denominator by .
We can then substitute the value of
in the obtained function.
Example Question #2 : Trigonometric Equations
A right triangle has an angle of
. If the side opposite it has a length of , what is the hypotenuse?
Possible Answers:
Correct answer:
Explanation:
For this problem we will use the sine function as
.Plug in our given information:
Example Question #3 : Trigonometric Equations
A right triangle has an angle of
. If the side adjacent to it has a length of , what is the hypotenuse?
Possible Answers:
Correct answer:
Explanation:
For this problem we will use the cosine function as
.Plug in our given information:
Example Question #4 : Trigonometric Equations
In a right triangle, if
and
then what does
equal?
Possible Answers:
Correct answer:
Explanation:
One can draw a right triangle with acute angles
and . The side adjacent to is 4, and the side adjacent to is 3.
Example Question #13 : Functions
If
, find the value of the function .
Possible Answers:
1
Correct answer:
Explanation:
We can write:
We can also write:
Now we can substitute the values of (sinx - cosx) and (sinx * cosx) in the obtained function:
All High School Math Resources
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