4 years ago

What is the exact value of arcsin(−2√2)

Mathematics

1 answer:

Svetach [21]4 years ago

3 0

Answer:

π4;3π4

Step-by-step explanation: Trig table gives:

sinx=√22 --> arc x=π4

Unit circle gives another arc x that has the same sin value:

x=π−π4=3π4

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