
Trigonometry, Sine, Cosine and Tan
Trigonometry Ratios Sine, cosine and tangent with reference to right angled triangle ABC is any triangle, right angle from SOH CAH TOA Tan B=b/c (tan opp/adj) Sin B = b/a (Sin opp/hyp) Cos B = c/a (Cos adj/hyp) Trigonometry I Derivation of trigonometric ratio of 30 degrees, 45 degrees and 60 degrees from drawn…