Question: Investigate numerically or graphically. Then evaluate the limit using the double angle formula cos 2h = 1 2 sin 2 h. lim h0 1

Investigate lim h0 1 - cos 2h hnumerically or graphically. Then evaluate the limit using the double angle formula cos 2h = 1 − 2 sin2 h.

lim h0 1 - cos 2h h

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