Introduction to Trigonometric Identities & Equations - SS3 Mathematics Lesson Note
Recall that,
\[\mathbf{\theta}\] |
---|
\[\mathbf{0{^\circ}}\]
\[\mathbf{30{^\circ}}\]
\[\mathbf{45{^\circ}}\]
\[\mathbf{60{^\circ}}\]
\[\mathbf{90{^\circ}}\]
\[\mathbf{\sin}\mathbf{\theta}\]
\[0\]
\[\frac{1}{2}\]
\[\frac{\sqrt{2}}{2}\]
\[\frac{\sqrt{3}}{2}\]
\[1\]
\[\mathbf{\cos}\mathbf{\theta}\]
\[1\]
\[\frac{\sqrt{3}}{2}\]
\[\frac{\sqrt{2}}{2}\]
\[\frac{1}{2}\]
\[0\]
\[\mathbf{\tan}\mathbf{\theta}\]
\[0\]
\[\frac{\sqrt{3}}{2}\]
\[1\]
\[\sqrt{3}\]
\[\infty\]