November 2018 1 203 Report
Tunjukkan bahwa nilai eksak dari :
a. sin (-15°) = 1/4√2(1 - √3)
b. sin 105° = 1/4√2(1 + √3)
c. sin 195° = 1/4√2(√3 - 1)
d. sin 225° = 1/4√2(1 + √3)
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