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What is the value of sin30° + cos30° - tan45° ? |
$\frac{\sqrt{3}-1}{2}$ $\frac{\sqrt{2}+1}{\sqrt{2}}$ $\frac{\sqrt{3}+1}{2}$ $\frac{1-\sqrt{3}}{2}$ |
$\frac{\sqrt{3}-1}{2}$ |
sin30° + cos30° - tan45° = \(\frac{1}{2}\) + \(\frac{ √3 }{2}\) - 1 = \(\frac{1 +√3 - 2 }{2}\) = \(\frac{√3 - 1 }{2}\) |
