= 1/sqrt(2) = 0.7071
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The exact value of sin 22.5 is 0.382683432
Use and rearrange the sine ratio: 30*sin(45) = 21.21320344 units
This problem can be solved using the Sine Rule :a/sin A = b/sin B = c/sin C 10/sin 45 = AB/sin 75 : AB = 10sin 75 ÷ sin 45 = 13.66 units (2dp)
The absolute value of any negative integer is equal to its value without the minus sign. In this instance, abs(-45) = 45.
Y=sin X is a function because for each value of X, there is exactly one Y value.