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value of x =-4 and value of y=-3
(-4,-3) is the solution of system of equations.
Step-by-step explanation:
We need to solve the system of equations
Rearranging:
Multiply eq(2) with 3 and subtract eq(2) from eq(1)
Putting value of x = -4 into eq(1)
So, value of x =-4 and value of y=-3
(-4,-3) is the solution of system of equations.
Keywords: system of equations.
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Answer
Find the approximate value of sin C .
To proof
By using the trignometric identity
Now as given in the diagram
as in the diagram
AB = 5 units
BC = 13.93 units
Now put it in the identity
solving
sinC = 0.36° (approx)
Option (D) is correct
Hence proved