Trigonometric Identities

LewisK
Flashcards by LewisK, updated more than 1 year ago
LewisK
Created by LewisK about 5 years ago
19
1

Description

Simple flashcards containing information on trigonometric identities.

Resource summary

Question Answer
When 90° < x < 180°, sin(x) = ? sin (180° - x)
When 180° < x < 270°, sin(x) = ? -sin (x - 180°)
When 270° < x < 360°, sin(x) = ? -sin (360° - x)
When 90° < x < 180°, cos(x) = ? -cos (180° - x)
When 180° < x < 270°, cos(x) = ? -cos (x - 180°)
When 270° < x < 360°, cos(x) = ? cos (360° - x)
When 90° < x < 180°, tan(x) = ? -tan (180° - x)
When 180° < x < 270°, tan(x) = ? tan (x - 180°)
When 270° < x < 360°, tan(x) = ? -tan (360° - x)
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