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Popular >

4*arctan(1)

Solution

4 \cdot arctan (1)

Solution

π

+1

Decimal Notation

180

Solution steps

4 arctan (1)

Use the following trivial identity:

arctan (1) = \frac{π}{4}

arctan (1)

x 0 \frac{3}{3} 13 arctan (x) 0 \frac{π}{6} \frac{π}{4} \frac{π}{3} arctan (x) 0^{\circ} 3 0^{\circ} 4 5^{\circ} 6 0^{\circ}

= \frac{π}{4}

= 4 \cdot \frac{π}{4}

Simplify

4 \cdot \frac{π}{4} : π

4 \cdot \frac{π}{4}

Multiply fractions:

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

= \frac{π 4}{4}

Cancel the common factor:

4

= π

= π

Popular Examples

arctan(2/(-sqrt(5)))

arctan (\frac{2}{- 5})

arctan (\frac{2}{20})

4 sin (3 5^{\circ})

48 cos (4 5^{\circ})

141.4 \cdot sin (4 5^{\circ})

Frequently Asked Questions (FAQ)

What is the value of 4*arctan(1) ?
The value of 4*arctan(1) is pi