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

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

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join (3pi)/2-2pi

join

\frac{3 π}{2} - 2 π

- \frac{π}{2}

Decimal Notation

- 1.57079 \dots

Solution steps

\frac{3 π}{2} - 2 π

Convert element to fraction:

2 π = \frac{2 π 2}{2}

= \frac{3 π}{2} - \frac{2 π 2}{2}

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 2}{2}

3 π - 2 π 2 = - π

= \frac{- π}{2}

Apply the fraction rule:

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

= - \frac{π}{2}

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