An electrician charges $80 an hour for weekday repairs and $120 for nights and weekends. Last week, the electrician earned $4800
2 answers:
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solving we get
Step-by-step explanation:
We need to solve:
Solving:
We know:
Putting the values of cot(x) and tan(x):
Taking LCM:
We know that: cos^2x+sin^2x=1
and using identity: cos(x)sin(x)=sin(2x)*1/2
Using identity: sin(2x)=2cos(x)sin(x)
So, solving we get
Keywords: Trigonometry
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Answer:
The area of the sheet is approximately 50.59 m² or 50.6 m²
Step-by-step explanation:
The area of a rectangle is given by the following expression:
Since breadth is the same as the width of the sheet, we can calculate its area as shown below:
The area of the sheet is approximately 50.59 m² or 50.6 m²