Trigonometric Ratios

Topic:Cosine, Ratios, Sine, Trigonometry

Consider the triangle ABC with ∢BCA=90º,∢ABC=30º a) Compute sine 30, cosine 30, tan 30 in a given triangle. b) Compute sine 60, cosine 60, tan 60 in a given triangle. Explain with your reasoning.

New Resources

Mosaic
Special Solid Trace
z`]]
Colouring of Venn Diagram
Translation of the Graph of a Function

Discover Resources

Start, Perpendicular Bisector
Left- and Right-Hand Sums
Visualise Solidsof Revolution
Segments in Circles Discovery

Discover Topics

Power Functions
Confidence Interval
Isosceles Triangles
Geometric Transformations
Constructions