Math Problem Statement
Vinkeln α , mätt i radianer, uppfyller olikheterna 0≤α≤π2 .
Beräkna cosα , om man vet att sinα=1115 .
Svar: cosα=
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Formulas
Trigonometric identities
Theorems
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Suitable Grade Level
High School