Mathematics, 17.04.2020 00:46 braydenaddison738
Use Euler’s formula, e iθ = cos θ+isin θ, together with the identity (exp iα) n = exp(iαn) to find the familiar trig multiple angle formula for cos 3α, sin 3α, cos 4α, and sin 4α. Remember that, in a complex-valued equation, you can separately equate the real and imaginary parts
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Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)
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Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?
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Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?
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Reading tests are compared for two students. sara got 98, 100, 65, 78, 98, 46, 100, 100, 45, and 50 on her reading test. lee got 97, 67, 89, 99, 100, 45, 79, 89, 58, and 67 on his reading test.
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Use Euler’s formula, e iθ = cos θ+isin θ, together with the identity (exp iα) n = exp(iαn) to find t...
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