TRIGONOMETRIX
ULTIMATE TRIGONOMETRY CALCULATOR v1.0
📐EVALUATE TRIGONOMETRIC FUNCTIONS
RESULT
🔄INVERSE TRIGONOMETRIC FUNCTIONS
RESULT
🔺TRIANGLE SOLVER
Enter known sides and angles. Use notation: a, b, c — sides, A, B, C — opposite angles (in degrees).
⚪UNIT CIRCLE
🔁DEGREES ↔ RADIANS CONVERTER & IDENTITIES
KEY IDENTITIES
sin²θ + cos²θ = 1
tanθ = sinθ/cosθ
1 + tan²θ = sec²θ
1 + cot²θ = csc²θ
sin(2θ) = 2 sinθ cosθ
cos(2θ) = cos²θ - sin²θ
sin(θ ± φ) = sinθ cosφ ± cosθ sinφ
cos(θ ± φ) = cosθ cosφ ∓ sinθ sinφ
tanθ = sinθ/cosθ
1 + tan²θ = sec²θ
1 + cot²θ = csc²θ
sin(2θ) = 2 sinθ cosθ
cos(2θ) = cos²θ - sin²θ
sin(θ ± φ) = sinθ cosφ ± cosθ sinφ
cos(θ ± φ) = cosθ cosφ ∓ sinθ sinφ