# Trigonometry Examples

Solve for ? tan(theta) = square root of 3
Step 1
Take the inverse tangent of both sides of the equation to extract from inside the tangent.
Step 2
Simplify the right side.
Step 2.1
The exact value of is .
Step 3
The tangent function is positive in the first and third quadrants. To find the second solution, add the reference angle from to find the solution in the fourth quadrant.
Step 4
Simplify .
Step 4.1
To write as a fraction with a common denominator, multiply by .
Step 4.2
Combine fractions.
Step 4.2.1
Combine and .
Step 4.2.2
Combine the numerators over the common denominator.
Step 4.3
Simplify the numerator.
Step 4.3.1
Move to the left of .
Step 4.3.2
Step 5
Find the period of .
Step 5.1
The period of the function can be calculated using .
Step 5.2
Replace with in the formula for period.
Step 5.3
The absolute value is the distance between a number and zero. The distance between and is .
Step 5.4
Divide by .
Step 6
The period of the function is so values will repeat every radians in both directions.
, for any integer
Step 7