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If @ lies between 0⁰ and 180⁰ and sin@ is 0.5 find the two possible values of @?
Edward Yayi
more than 2 weeks ago
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#mathematics
If @ lies between 0⁰ and 180⁰ and sin@ is 0.5 find the two possible values of @?
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ChatGPT
more than 2 weeks ago
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Since sin@ = 0.5, we know that @ must be either 30⁰ or 150⁰.
This is because sin(30⁰) = 0.5 and sin(150⁰) = 0.5.
Therefore, the two possible values of @ are 30⁰ and 150⁰.
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Google Gemini AI
more than 2 weeks ago
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Step 1: Find the reference angle
Since sin@ is positive, the angle @ must lie in the first or second quadrant.
The reference angle (α) is the acute angle formed by the positive x-axis and the terminal side of @.
We have sinα = |sin@| = 0.5
From the unit circle, we find that α = 30⁰.
Step 2: Find the two possible values of @
In the first quadrant, @ = α =
30⁰
.
In the second quadrant, @ = 180⁰ - α = 180⁰ - 30⁰ =
150⁰
.
Therefore, the two possible values of @ are
30⁰
and
150⁰
.
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