4 sin 22,5° cos 22,5°=…. a. 1 b. √2 c. 1/2√2 d. 0

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4 sin 22,5° cos 22,5°=….
a. 1
b. √2
c. 1/2√2
d. 0

Jawaban Terkonfirmasi

4 sin 22,5° cos 22,5°
= 2 (2 sin 22,5° cos 22,5°)
= 2 (sin 45)
= 2 × ½√2
= √2
jawaban B