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Strategy in finding limits


Minli's teacher gave her a flow chart (below) and asked her to find limxπ4h(x) for h(x)=2sin(x)1cos(2x).
Drag the cards below to show Minli's path to finding the limit.
A. Direct substitution
B. Asymptote
C. Limit found
D. Indeterminate form
E. Factoring
F. Conjugates
G. Trig identities
H. Approximation