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shanice13
26.08.2020 •
Mathematics
Find all values of in the interval [0, 2π] that satisfy the equation. Enter your answers from smallest to largest. (Enter NONE in any unused answer blanks.) $$ 2\sin^2(x) = 1 $$
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Ответ:
Step-by-step explanation:
Given the equation
, we are to find all the values of x in the interval [0, 2π] that satisfies the equation.
Simplifying the equation:
Square both sides of the equation;
The general formula for sin(x) is x = nπ + (-1)ⁿ∝ where n = 0, 1, 2, 3...
Since ∝ = 45° = π/4.
x = nπ + (-1)ⁿπ/4
when n = 1
x = π + (-1)¹π/4
x = π - π/4
x = 3π/4
Hence the values of x within the given interval are π/4 and 3π/4
Ответ:
Creo que $1,280
Step-by-step explanation:
12,000+800=12,800
12,800 x 10% =1,280