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maxonik [38]
2 years ago
15

[ tan2 θ ] – [( sec θ – 1 )( sec θ + 1 )

Mathematics
1 answer:
Afina-wow [57]2 years ago
8 0

Answer: tan(2θ)−sec2(θ)−sec(θ)

Step-by-step explanation: Simplify Each Term

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Whilst shopping, the probability that Caroline buys fruit is 0.7.
Lilit [14]

Answer:

Probability that Caroline buys fruit, a CD or both is 0.76.

Step-by-step explanation:

Let event A = Caroline buys fruit, event B = Caroline buys CD, Ac and Bc are complementary events.

Events AB, ABc, AcB and AcBc are jointly exhaustive and disjoint, hence P(AB) + P(ABc) + P(AcB) +P(AcBc) =1.

Events A and B independent, hence Ac and Bc independent too and probability P(AcBc) = P(Ac)*P(Bc) = (1 - P(A))(1-P(B)) = 0.6*0.4 = 0.24.

Required probability P(AB + ABc + AcB ) = P(AB) + P(ABc) + P(AcB) = 1- P(AcBc) = 1 - 0.24 = 0.76.

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2 years ago
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Noah starts with 0 and then adds the number 5 four times. Diego starts with 1 and then multiplies by the number 5 four times. Fo
Fittoniya [83]
4 • 5 is Noah and 5^4 is Diego
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What’s the answer to this
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Negative x minus 5 equals negative 11 what is x?<br> -x-5=-11
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