Question

2 tan 45º+COS 45°-sin 45°?
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Answer 1

Explanation:

2 x 1 + 1/root 2 -1/root 2

2 Is your Answer

Answer 2

Explanation:

tan45=1, cos45=1/root2, sin45=1/root2

2(1)+(1/root2)-(1/root2)=2