Cara Menghitung Trig Functions
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Trigonometric functions (sin, cos, tan, csc, sec, cot) relate the angles and sides of triangles. They extend to the unit circle for all angles and are fundamental in physics, engineering, navigation, signal processing, and wave analysis.
Panduan Langkah demi Langkah
- 1In a right triangle: sin θ = opposite/hypotenuse, cos θ = adjacent/hypotenuse, tan θ = opposite/adjacent
- 2Mnemonic: SOH-CAH-TOA
- 3Unit circle definition: sin θ = y-coordinate, cos θ = x-coordinate, at angle θ from positive x-axis
- 4Reciprocals: csc = 1/sin, sec = 1/cos, cot = 1/tan
Contoh Terpecahkan
Masukan
sin 30°
Hasil
0.5
sin(π/6) = 1/2
Masukan
cos 60°
Hasil
0.5
cos(π/3) = 1/2
Masukan
tan 45°
Hasil
1
tan(π/4) = sin/cos = 1
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