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The tangent function (tan) is the ratio of the opposite side to the adjacent side, equivalent to sin(θ)/cos(θ). Tangent represents the slope of the line from the origin to a point on the unit circle.

Công thức

tan(θ) = opposite / adjacent = sin(θ) / cos(θ)

Hướng dẫn từng bước

  1. 1tan(θ) = opposite / adjacent = sin(θ) / cos(θ)
  2. 2Undefined at 90° and 270° (where cos = 0)
  3. 3tan(45°) = 1 (slope of a 45° line)
  4. 4Period of tangent is 180° (π radians)

Ví dụ có lời giải

đầu vào
tan(45°)
Kết quả
1
Equal opposite and adjacent sides
đầu vào
tan(30°)
Kết quả
0.5774
1/√3
đầu vào
tan(89°)
Kết quả
57.29
Approaches infinity at 90°

Câu hỏi thường gặp

What is Tan Calc?

The tangent function (tan) is the ratio of the opposite side to the adjacent side, equivalent to sin(θ)/cos(θ). Tangent represents the slope of the line from the origin to a point on the unit circle

How accurate is the Tan Calc calculator?

The calculator uses the standard published formula for tan calc. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Tan Calc calculator use?

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Tan Calc calculator use?

The core formula is: tan(θ) = opposite / adjacent = sin(θ) / cos(θ). Each step in the calculation is shown so you can verify the result manually.

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