1.

What is the value of sin 30° + cos30° – tan45°?

A. \(\frac{{\sqrt 3 - 1}}{2}\)
B. \(\frac{{\sqrt 3 \; + \;1}}{2}\)
C. \(\frac{{\sqrt 2 \; + \;1}}{{\sqrt 2 }}\)
D. \(\frac{{1 - \sqrt 3 }}{2}\)
Answer» B. \(\frac{{\sqrt 3 \; + \;1}}{2}\)


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