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Fofino [41]
2 years ago
6

What is the value of 2cos2(105⁰) − 1?

Mathematics
2 answers:
uysha [10]2 years ago
4 0

Step-by-step explanation:

-1 - root3

Liula [17]2 years ago
3 0

Answer:

A) -√3/2

Step-by-step explanation:

edge 2020

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