Jawab:
√2
Penjelasan dengan langkah-langkah:
= cos 45 + sin 45 + cos 90
= ½√2 + ½√2 + 0
= √2
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Jawab:
√2
Penjelasan dengan langkah-langkah:
= cos 45 + sin 45 + cos 90
= ½√2 + ½√2 + 0
= √2