Find the exact value. Do not use a calculator.
-$\tan 45 ^ { \circ }$
A) $\sqrt { 2 }$
B) $\frac { \sqrt { 2 } } { 2 }$
C) 1
D) $\frac { \sqrt { 3 } } { 2 }$

Question

Quizplus · Accepted Answer

The tangent of 45 degrees is equal to 1 because in a right-angled triangle with angles of 45 degrees, 45 degrees, and 90 degrees, the two legs are of equal length, making the ratio of the opposite side to the adjacent side (which defines the tangent) equal to 1.

Find the Exact Value tan⁡45∘\tan 45 ^ { \circ }tan45∘ A) 2\sqrt { 2 }2​

Find the Exact Value $\tan 45 ^ { \circ }$ A) $\sqrt { 2 }$