Hollywood High School

Two special trig limits: , and . Proof: We will use a unit circle (radius = 1, center (0,0)), and for a variable instead of x, so as not to confuse with the x-axis. Our functions that we will use to “squeeze” will be area functions of 2 triangles and the area of a circle sector. Given a unit circle, with a central angle where . Brief Review: ................
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