<h3>
Answer:</h3>
- using y = x, the error is about 0.1812
- using y = (x -π/4 +1)/√2, the error is about 0.02620
<h3>
Step-by-step explanation:</h3>
The actual value of sin(π/3) is (√3)/2 ≈ 0.86602540.
If the sine function is approximated by y=x (no error at x = 0), then the error at x=π/3 is ...
... x -sin(x) @ x=π/3
... π/3 -(√3)/2 ≈ 0.18117215 ≈ 0.1812
You know right away this is a bad approximation, because the approximate value is π/3 ≈ 1.04719755, a value greater than 1. The range of the sine function is [-1, 1] so there will be no values greater than 1.
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If the sine function is approximated by y=(x+1-π/4)/√2 (no error at x=π/4), then the error at x=π/3 is ...
... (x+1-π/4)/√2 -sin(x) @ x=π/3
... (π/12 +1)/√2 -(√3)/2 ≈ 0.026201500 ≈ 0.02620
Well this is pretty easy, look. First we divide 3/4 (Length of shadow), then we multiply that by 36 (4*9 = 36), then we get 27 as an answer! Hope this helped. Brainliest is always appreciated.
Answer:
the first one
Step-by-step explanation:
y=ex where k is constant of proportionallty
Answer:
6
Step-by-step explanation:
You can do this algebraically:
Step 1: Write the unknown number as x
<em>The directions say subtract four from the number, and is equal to 2, so</em>
x - 4 = 2
Step 2: Add four to both sides
x = 6
The percetage will be 68%