Properties of trigonometric functions of a general angle (2)

Subject: Mathematics

Grade: Lower Secondary

Publisher: YDP

Resource types: Whiteboard presentation

Resource ID: e2733
Description:

At the end of this activity, students should be able to:
reduce every angle to the first quadrant
- use reduction formulas to find values of trigonometric functions
- know the sign of a trigonometric function after changing the sign of an angle.

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Properties of trigo... Class activity

Consists of...
Reduction formulas ... Whiteboard exercise The same values of ... Whiteboard exercise Reduction formulas ... Animation The sine – reduci... Whiteboard exercise Finding the sine of... Whiteboard exercise Reduction formulas ... Animation Finding the cosine ... Whiteboard exercise The cosine – redu... Whiteboard exercise Reduction formulas ... Animation Grouping expression... Whiteboard exercise The tangent – red... Whiteboard exercise Reduction formulas ... Whiteboard exercise Finding equal expre... Whiteboard exercise Changing the sign o... Whiteboard exercise

Relevant to...

Secondary School

Lower Secondary (Grades 7-9)

Mathematics

Trigonometry (1)

74. Properties of trigonometric functions of a general angle (2)

YDP SA

Keywords

functions, reduction, properties, general, ratio, formula, property, (2), angle, right, arbitrary, triangle, tangent, trigonometric, sine, cosine, Properties of trigonometric functions of a general angle (2)

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