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Popular >

tan(-15)

Solution

tan (- 1 5^{\circ})

Solution

- 2 + 3

+1

Solution steps

tan (- 1 5^{\circ})

Use the following property:

tan (- x) = - tan (x)

tan (- 1 5^{\circ}) = - tan (1 5^{\circ})

= - tan (1 5^{\circ})

Rewrite using trig identities:

tan (1 5^{\circ}) = 2 - 3

= - (2 - 3)

Simplify

= - 2 + 3

Popular Examples

arcsin (\frac{5}{13})

arctan(1/(-sqrt(3)))

arctan (\frac{1}{- 3})

tan (3 7^{\circ})

arccos (\frac{- 1}{2})

csc (15 0^{\circ})

Frequently Asked Questions (FAQ)

What is the value of tan(-15) ?
The value of tan(-15) is -2+sqrt(3)