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hsedward hsedward
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2 years ago Edited: 2 years ago, hsedward
using identity substitution, the equation acos squared (pi/8)- asin squared(pi/8) =4sqrt2 can be simplified to acos θ = 4sqrt2. what is the value of cos θ, rounded to the nearest tenth.
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Educator
2 years ago

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Educator
2 years ago
Please mark as solved.
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