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Delicious77 [7]
1 year ago
11

Cos 90 - 2sin45 + 2tan180

Mathematics
1 answer:
riadik2000 [5.3K]1 year ago
4 0

Answer:

- \sqrt{2}

Step-by-step explanation:

cos90° - 2sin45° + 2tan180°

= 0 - ( 2 × \frac{\sqrt{2} }{2} ) + 2(0)

= 0 - \sqrt{2} + 0

= - \sqrt{2}

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