What is the value of tan(-(53pi)/6*1) ?

The value of tan(-(53pi)/6*1) is (sqrt(3))/3

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tan(-(53pi)/6*1)

Solution

tan (- \frac{53 π}{6} \cdot 1)

Solution

\frac{3}{3}

Decimal Notation

0.57735 \dots

Solution steps

tan (- \frac{53 π}{6} \cdot 1)

Simplify

= tan (- \frac{53 π}{6})

Use the following property:

tan (- x) = - tan (x)

tan (- \frac{53 π}{6}) = - tan (\frac{53 π}{6})

= - tan (\frac{53 π}{6})

tan (\frac{53 π}{6}) = tan (\frac{5 π}{6})

tan (\frac{53 π}{6})

Rewrite

\frac{53 π}{6}

π \cdot 8 + \frac{5 π}{6}

= tan (π 8 + \frac{5 π}{6})

Apply the periodicity of

tan

tan (x + π \cdot k) = tan (x)

tan (π \cdot 8 + \frac{5 π}{6}) = tan (\frac{5 π}{6})

= tan (\frac{5 π}{6})

= - tan (\frac{5 π}{6})

Rewrite using trig identities:

tan (\frac{5 π}{6}) = - \frac{3}{3}

tan (\frac{5 π}{6})

Rewrite using trig identities:

\frac{sin ( \frac{5 π}{6} )}{cos ( \frac{5 π}{6} )}

tan (\frac{5 π}{6})

Use the basic trigonometric identity:

tan (x) = \frac{sin ( x )}{cos ( x )}

= \frac{sin ( \frac{5 π}{6} )}{cos ( \frac{5 π}{6} )}

= \frac{sin ( \frac{5 π}{6} )}{cos ( \frac{5 π}{6} )}

Use the following trivial identity:

sin (\frac{5 π}{6}) = \frac{1}{2}

sin (\frac{5 π}{6})

sin (x)

periodicity table with

2 πn

cycle:

x 0 \frac{π}{6} \frac{π}{4} \frac{π}{3} \frac{π}{2} \frac{2 π}{3} \frac{3 π}{4} \frac{5 π}{6} sin (x) 0 \frac{1}{2} \frac{2}{2} \frac{3}{2} 1 \frac{3}{2} \frac{2}{2} \frac{1}{2} x π \frac{7 π}{6} \frac{5 π}{4} \frac{4 π}{3} \frac{3 π}{2} \frac{5 π}{3} \frac{7 π}{4} \frac{11 π}{6} sin (x) 0 - \frac{1}{2} - \frac{2}{2} - \frac{3}{2} - 1 - \frac{3}{2} - \frac{2}{2} - \frac{1}{2}

= \frac{1}{2}

Use the following trivial identity:

cos (\frac{5 π}{6}) = - \frac{3}{2}

cos (\frac{5 π}{6})

cos (x)

periodicity table with

2 πn

cycle:

x 0 \frac{π}{6} \frac{π}{4} \frac{π}{3} \frac{π}{2} \frac{2 π}{3} \frac{3 π}{4} \frac{5 π}{6} cos (x) 1 \frac{3}{2} \frac{2}{2} \frac{1}{2} 0 - \frac{1}{2} - \frac{2}{2} - \frac{3}{2} x π \frac{7 π}{6} \frac{5 π}{4} \frac{4 π}{3} \frac{3 π}{2} \frac{5 π}{3} \frac{7 π}{4} \frac{11 π}{6} cos (x) - 1 - \frac{3}{2} - \frac{2}{2} - \frac{1}{2} 0 \frac{1}{2} \frac{2}{2} \frac{3}{2}

= - \frac{3}{2}

= \frac{\frac{1}{2}}{- \frac{3}{2}}

Simplify

\frac{\frac{1}{2}}{- \frac{3}{2}} : - \frac{3}{3}

\frac{\frac{1}{2}}{- \frac{3}{2}}

Apply the fraction rule:

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

= - \frac{\frac{1}{2}}{\frac{3}{2}}

Divide fractions:

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

= - \frac{1 \cdot 2}{2 3}

Refine

= - \frac{2}{2 3}

Cancel the common factor:

2

= - \frac{1}{3}

Rationalize

- \frac{1}{3} : - \frac{3}{3}

- \frac{1}{3}

Multiply by the conjugate

\frac{3}{3}

= - \frac{1 \cdot 3}{3 3}

1 \cdot 3 = 3

33 = 3

33

Apply radical rule:

a a = a

33 = 3

= 3

= - \frac{3}{3}

= - \frac{3}{3}

= - \frac{3}{3}

= - (- \frac{3}{3})

Simplify

= \frac{3}{3}

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Frequently Asked Questions (FAQ)

What is the value of tan(-(53pi)/6*1) ?
The value of tan(-(53pi)/6*1) is (sqrt(3))/3