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Riley Hickey English 2 pages

Content of the notes (2)

Maths study

Trigonometry

TRIANGLES

If I DON'T have a right angle

Heron's forumla

Sine (ANY TRIANGLE)

Cosine

CIRCLES

Circumference = pi D or 2 pi r

Area = pi r squared

If I DO have a right angle

SOHCAHTOA

Phythagoras' Therom

Sine (ANY TRIANGLE)