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kozerog [31]
3 years ago
15

5b^2+3b-4 how do I find (x,y)?

Mathematics
1 answer:
GrogVix [38]3 years ago
5 0

Answer:

DONT TRUST THE LINK OF OTHER USER AND REPORT

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2sinx / cos3x = tan3x - tanx -verify the identity-
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Answer:

cos3x+tan3x=0  

⟹cos3x=−tan3x

⟹cos3x=−sin3xcos3x

⟹cos23x=−sin3x

⟹1−sin23x=−sin3x

⟹sin23x−sin3x−1=0

This is a quadratic equation in sin3x.

sin3x=−(−1)±(−1)2−4×1×(−1)−−−−−−−−−−−−−−−−−√2×1

sin3x=1±5–√2

If x takes real values, the upper sign must be rejected.

sin3x=1−5–√2

⟹3x=nπ+(−1)nsin−11−5–√2

⟹x=13[nπ+(−1)nsin−11−5–√2]

Step-by-step explanation:

Hope this kind of helps

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2 years ago
When the Spanish arrived in the Aztec capital of Tenochtitlan, what were they impressed with?
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3 years ago
All of the following are equivalent to 3 : 8 = x : 32 except
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The answer is either 4 or 8 I do believe
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Read 2 more answers
I need help with my math homework :(
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We plug in 14 for x when we set the two equations equal to each other to prove they are equal.

So true LM congruent to MN

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