Teaching a class about the shape of trigonometric graphs and using them to learn rules that can be used to solve trigonometric equations can be difficult using a textbook or drawing on a whiteboard - I find it much easier with these printable worksheets with ready-drawn grids and graphs.
The first worksheet gets students to work out and plot values of the sine function between 0 and 360 degrees so see the shape of the curve. There are then a number of examples using the sine graph to find angles with equivalent values using sine (e.g. sin 30 = sin 150). The worksheet finishes with some equations to solve, of the form sinx = a, where the students should use the rule(s) they have learned to find all the solutions.
The next two worksheets follow the same format as the first, but now for the cosine and tangent functions.
The last document practises working with all 3 graphs/functions so it can be used as a summary activity or assessment.
The first worksheet gets students to work out and plot values of the sine function between 0 and 360 degrees so see the shape of the curve. There are then a number of examples using the sine graph to find angles with equivalent values using sine (e.g. sin 30 = sin 150). The worksheet finishes with some equations to solve, of the form sinx = a, where the students should use the rule(s) they have learned to find all the solutions.
The next two worksheets follow the same format as the first, but now for the cosine and tangent functions.
The last document practises working with all 3 graphs/functions so it can be used as a summary activity or assessment.
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Just what I was looking for thank you. Would have given 5 stars i answers were provided
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