# Solve for a in Degrees tan(a)=73.7/39.4

Solve for a in Degrees tan(a)=73.7/39.4
Divide by .
Take the inverse tangent of both sides of the equation to extract from inside the tangent.
Simplify the right side.
Evaluate .
The tangent function is positive in the first and third quadrants. To find the second solution, subtract the reference angle from to find the solution in the fourth quadrant.
Find the period of .
The period of the function can be calculated using .
Replace with in the formula for period.
The absolute value is the distance between a number and zero. The distance between and is .
Divide by .
The period of the function is so values will repeat every degrees in both directions.
, for any integer
, for any integer
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### Name

Name one billion six hundred twelve million nine hundred thirty-four thousand three hundred ninety-two

### Interesting facts

• 1612934392 has 16 divisors, whose sum is 5443653600
• The reverse of 1612934392 is 2934392161
• Previous prime number is 2

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 40
• Digital Root 4

### Name

Name one billion four hundred thirty-nine million one hundred twenty-seven thousand seven hundred fifty-two

### Interesting facts

• 1439127752 has 32 divisors, whose sum is 4860270000
• The reverse of 1439127752 is 2577219341
• Previous prime number is 1531

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 41
• Digital Root 5

### Name

Name one billion four hundred thirteen million two hundred seventy-six thousand two hundred ten

### Interesting facts

• 1413276210 has 16 divisors, whose sum is 2826552600
• The reverse of 1413276210 is 0126723141
• Previous prime number is 5

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 27
• Digital Root 9