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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