Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
History of logarithms wikipedia , lookup
Mathematics of radio engineering wikipedia , lookup
History of the function concept wikipedia , lookup
Elementary mathematics wikipedia , lookup
Series (mathematics) wikipedia , lookup
Mathematics and architecture wikipedia , lookup
Weber problem wikipedia , lookup
August 25, 2014 Round to 3 decimal places Jan 259:47 AM 52: Trigonometric Ratios in a Right Triangle opposite se nu te po hy • Trigonometry is all about comparing the lengths of two sides of a triangle. • When you compare two numbers, that is a ratio. adjacent θ Hypotenuse side opposite the right angle Opposite leg opposite the reference angle Adjacent leg next to the reference angle Aug 2612:14 PM 1 August 25, 2014 The 6 Trigonmetric Ratios! Cosecant sinθ = opp/hyp cscθ = 1/sin θ = hyp/opp Cosine opposite Sine e us en Reciprocal Trigonometric Functions (these are just flipped) t po hy Trigonometric Functions adjacent θ Secant cosθ = adj/hyp secθ = 1/cosθ = hyp/adj Tangent Cotangent tanθ = opp/adj cotθ = 1/tanθ = adj/opp SOHCAHTOA Aug 297:17 AM Find the value of the requested function Aug 212:36 PM 2 August 25, 2014 Find the values of the six trigonometric functions for angle A C 8cm B A 15cm Pythagorean Theorem In a right triangle, the sum of the 2 legs squared is equal to the hypotenuse squared. a2 + b2 = c2 Aug 297:23 AM 3