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Masja [62]
3 years ago
6

(2sin60°)(3tan60°)—(4tan45°)(2cos45°)​

Mathematics
1 answer:
Dimas [21]3 years ago
5 0

Answer:

9 - 4\sqrt{2}

Step-by-step explanation:

sin60° = \frac{\sqrt{3} }{2}

tan60° = \sqrt{3}

tan45° = 1

cos45° = \frac{1}{\sqrt{2} }

(2sin60°)(3tan60°) - (4tan45°)(2cos45°)

now substitute the values of each trigonometrical angles

(2*\frac{\sqrt{3} }{2} )(3*\sqrt{3} ) - (4*1)(2*\frac{1}{\sqrt{2} } )

\sqrt{3}  * (3\sqrt{3}) - 4*(\frac{2}{\sqrt{2} } )

3*3 - 4*\frac{2}{\sqrt{2} } *\frac{\sqrt{2} }{\sqrt{2} }

9 - 4 *\frac{2\sqrt{2} }{2}

9 - 4 * \sqrt{2}

9 - 4\sqrt{2}

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