3. BONUS for MAP students (mandatory for MCR): Without using your calculator, determine the value of each of the following trigonometric ratios. Leave answers in exact or fractional form. Hint: label

the diagrams to help yourself remember shortcuts. 60° 30° /2½ K 45° 45% a) sin30º = b) cos(-45)° = c) tan60º = d) sin135º = e) tan270º = Tip: MCR students will also have to use unit circle definitions to explain the sine, cosine and tangent of multiples of 90° on the module test. turn the page...