docIntro to Geometry Chap 9 Day1 Intro to Trig Ratios SOHCAHTOA sin
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Intro to Geometry Chap 9 Day1 Intro to Trig Ratios SOHCAHTOA sin
Chapter9day12013.notebook March 20, 2013 Intro to Geometry Chap 9 Day1 Intro to Trig Ratios SOHCAHTOA sin is short for sine SOH means: opp sin = hyp cos is short for cosine CAH means: cos = adj hyp tan is short for tangent TOA means: tan = opp adj CHAP9DAY1 1 Chapter9day12013.notebook March 20, 2013 SOHCAHTOA A opp hyp SOH sin A = CAH adj cos A = hyp TOA tan A = hy po te side adjacent A C nu se side opposite A B A SOH opp sin B = hyp CAH adj cos B = hyp TOA tan B = hy side opposite B C CHAP9DAY1 po te nu s e side adjacent B opp adj B opp adj 2 Chapter9day12013.notebook SOH opp sin = hyp CHAP9DAY1 March 20, 2013 CAaH dj cos = hyp TOA opp tan = adj 3 Chapter9day12013.notebook CHAP9DAY1 March 20, 2013 4 Chapter9day12013.notebook SOH opp sin = hyp CHAP9DAY1 March 20, 2013 CAaH dj cos = hyp TOAopp tan = adj 5 Chapter9day12013.notebook March 20, 2013 Trig Day 2 OBJ: To find the lengths of sides of a rt triangle using SOH CAH TOA SOH opp sin = hyp CAaH dj cos = hyp TOAopp tan = adj A x y 50o C 20in CHAP9DAY1 B 6 Chapter9day12013.notebook SOH sin = opp hyp March 20, 2013 CAH adj cos = hyp TOA tan = opp adj B 16o 20 ft a C CHAP9DAY1 b A 7 Chapter9day12013.notebook March 20, 2013 CAH SOH sin = opp hyp adj = os c hyp TOA opp tan = adj C 16 cm A CHAP9DAY1 37o B 8
