Anas received an increment of 15% in his salary. His new salary is $3450. calculate
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Answer:
Step-by-step explanation:
It is important to remember that the fourth digit after the decimal point is in the ten-thousandth place.
Then, given the following number:
You can follow these steps in order ti round it to the nearest ten-thousandth:
1. You can identify that the digit in the ten-thousandth place is:
2. Identify the digit to the right of . This is:
3. Since:
You must round up. Increase the digit by 1. (Notice that
, then the digit to the left of
increases by 1 too). Then:
Sin(α+β)=sin(α)cos(β)+cos(α)sin(β)
sin(α-β)=sin(α)cos(β)-cos(α)sin(β)
sin(α-β)=sin(α)cos(β)-cos(α)sin(β)