What is join (3pi)/4-2pi ?

The solution to join (3pi)/4-2pi is -(5pi)/4

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join (3pi)/4-2pi

join

\frac{3 π}{4} - 2 π

- \frac{5 π}{4}

Decimal Notation

- 3.92699 \dots

Solution steps

\frac{3 π}{4} - 2 π

Convert element to fraction:

2 π = \frac{2 π 4}{4}

= \frac{3 π}{4} - \frac{2 π 4}{4}

Since the denominators are equal, combine the fractions:

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{3 π - 2 π 4}{4}

3 π - 2 π 4 = - 5 π

= \frac{- 5 π}{4}

Apply the fraction rule:

\frac{- a}{b} = - \frac{a}{b}

= - \frac{5 π}{4}

x^{2} + 2 x = 3

x + 4 \geq 5 and 8 x \geq 24

\frac{1}{2 ^{7}}

\frac{90 - a}{2} - a

z^{2} - z - 30 = 0