MAT - Paper 2012 - Q1J
Flashcards
Sector area and a sine simplification
What is the formula for sector area in terms of a radius $r$ and radian angle $\theta$?
\[\frac{1}{2}r^2\theta\]
\[\sin(\pi - \theta) + \theta\]
How could you simplify this?
\[\sin\theta + \theta\]