Gcse Maths Trigonometry Exact Values
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Gcse maths trigonometry exact values. The corbettmaths practice questions on exact trig values. There is then a test to check their understanding the following lesson. Each term is one of a small list of common trigonometry values that students are required to remember. Includes values of sine cosine and tangent at 0 30 45 60 90 180 270 and 360 degrees and beyond.
It has some harder extension questions available to stretch pupils who require it. Tan 6 0 3 tan 60 degree sqrt 3 t a n 6 0 3. Sin 3 0 1 2 sin 30 degree dfrac 1 2 s i n 3 0 2 1. Tan 4 5 1 tan 45 degree 1 t a n 4 5 1.
Differentiated main task and thorough explanation. Draw the angle look for the reference angle. Students can either copy the graphs or stick the handout in their books. Designed by expert teachers for the edexcel gcse 9 1 maths exam.
Trigonometry solving exact values of sin cos tan calculating exact values of sin cos tan without a calculator. You will need to have covered pythagoras theorem soh cah toa sine cosine rules and rationalising denominators before this lesson. Trigonometry exact values exact values. There are some quick fire questions to start in order to see who has memorised them and identify the methods that they use.
The equilateral triangle can be split into two right angled. This lesson is for practicing using exact trig values as will be expected in the new gcse. Use special triangles or the unit circle. April 20 2013 august 21 2019 corbettmaths.
This is after a lesson which focussed on how to find the value using shapes and the finger method. An equilateral triangle with side lengths of 2 cm can be used to find exact values for the trigonometric ratios of 30 and 60. Check the quadrant to determine the sign or. Calculate the length of the third side of the triangle using.
Lesson designed to help students to learn the exact values of trig functions which is required for the new gcse. Exact values of trigonometry. Free maths revision notes on the topic.
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