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Tangent

★★☆☆☆Middle School

📖Definition

Tangent (tan) is the ratio of sine to cosine, or in a right triangle, the ratio of opposite to adjacent side.

tan θ = (sin θ)/(cos θ)

Definition of tangent

tan θ = (opposite)/(adjacent)

Tangent in a right triangle

1 + tan² θ = sec² θ

Tangent identity

예제 1

Find the value of tan 45°.

#삼각함수#탄젠트#trigonometry#tangent