3 years ago

Really need help...

Mathematics

1 answer:

Andre45 [30]3 years ago

4 0

Sinθ = 16/20 = 0.8
θ = arcsin(0.8) ≅ 53°
:::::
Use ^2 to represent ².
Pythagorean identity:
sin²(x) + cos²(x) = 1

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