Find the Quadrant of the Angle -(3pi)/4

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Trigonometry

$- \frac{3 π}{4}$

Convert the radian measure to degrees.

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To convert radians to degrees, multiply by $\frac{180}{π}$ , since a full circle is $360 °$ or $2 π$ radians.

$(- \frac{3 π}{4}) \cdot \frac{180 °}{π}$

Cancel the common factor of $π$ .

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Move the leading negative in $- \frac{3 π}{4}$ into the numerator.

$\frac{- 3 π}{4} \cdot \frac{180}{π}$

Factor $π$ out of $- 3 π$ .

$\frac{π \cdot - 3}{4} \cdot \frac{180}{π}$

Cancel the common factor.

$\frac{π \cdot - 3}{4} \cdot \frac{180}{π}$

Rewrite the expression.

$\frac{- 3}{4} \cdot 180$

Cancel the common factor of $4$ .

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Factor $4$ out of $180$ .

$\frac{- 3}{4} \cdot (4 (45))$

Cancel the common factor.

$\frac{- 3}{4} \cdot (4 \cdot 45)$

Rewrite the expression.

$- 3 \cdot 45$

Multiply $- 3$ by $45$ .

$- 135$

Convert to a decimal.

$- 135 °$

For angles smaller than $0 °$ , add $360 °$ to the angle until the angle is larger than $0 °$ .

$225$

The angle is in the third quadrant.

Quadrant $3$

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Name

Name	one billion three hundred seventy-five million eight hundred eighty-four thousand six hundred sixteen

Interesting facts

1375884616 has 32 divisors, whose sum is 4679061552
The reverse of 1375884616 is 6164885731
Previous prime number is 131

Basic properties

Is Prime? no
Number parity even
Number length 10
Sum of Digits 49
Digital Root 4

Name

Name	one billion five hundred fifty million two hundred forty-seven thousand eight hundred fifty-six

Interesting facts

1550247856 has 64 divisors, whose sum is 7955644392
The reverse of 1550247856 is 6587420551
Previous prime number is 73

Basic properties

Is Prime? no
Number parity even
Number length 10
Sum of Digits 43
Digital Root 7

Name

Name	one hundred twenty-four million six hundred fifty thousand five hundred sixty-six

Interesting facts

124650566 has 16 divisors, whose sum is 195658368
The reverse of 124650566 is 665056421
Previous prime number is 31

Basic properties

Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8

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