Trigonometry کا حساب کیسے لگائیں
Trigonometry کیا ہے؟
Trigonometry studies relationships between angles and sides of triangles. Beyond right triangles, the law of sines and law of cosines handle any triangle. Trigonometric identities simplify complex expressions.
مرحلہ وار گائیڈ
- 1Law of Sines: a/sin(A) = b/sin(B) = c/sin(C)
- 2Law of Cosines: c² = a² + b² − 2ab×cos(C)
- 3Pythagorean identity: sin²θ + cos²θ = 1
- 4Sum formulas: sin(A+B) = sinA×cosB + cosA×sinB
حل شدہ مثالیں
ان پٹ
sin(30°)
نتیجہ
= 0.5 · cos(60°) = 0.5 · tan(45°) = 1