MCQ
Convert the following 20°C temperature to degree Fahrenheit.
- A293°F
- B52°F
- C4°F
- ✓68°F
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f(x) = `{(- 2 sin x "," - pi ≤ x ≤ (-pi)/2),(alpha sin x + beta"," - pi/2 < x < pi/2),(cos x "," pi/2 ≤ x ≤ pi):}` then α and β equals