6 Cos 45\Xb0 + 3sec. 45\Xb0
6 cos 45° + 3sec. 45°
Answer:
6√2
Step-by-step explanation:
cos 45= √2/2
sec 45= √2
=6(√2/2) + 3(√2)
=6√2/2 + 3√2
=(6√2+6√2)/2
=12√2/2
=6√2
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