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MrMuchimi
3 years ago
13

Prove that the equation is an identity. tan A tan B = tan A + tan B cot A + cot B Working from the right-hand side, use the trig

onometric identities for tangent and cotangent. RHS = tan A + tan B cot A + cot B
Mathematics
1 answer:
Yuliya22 [10]3 years ago
7 0

Answer:

Stedadasadjdjsjxjnakcp-by-step explanation:bdbdnxhsjd xhdvsh

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Gus started with a number he multiplied by 8 subtracted 12 divided by 4 and added 7 to get 50 show how to work backward to find
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Answer:

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Step-by-step explanation:

This equation can be derived from the question

let a represent the initial number Gus started with

{[(a x 8) - 12] / 4 } + 7 = 50

subtract 7 from both sides of the equation

[(a x 8) - 12] / 4 } = 43

Multiply both sides of the equation by 4

(a x 8) - 12] = 172

Add 12 to both sides

8a =184

Divide both sides by 8

a = 23.

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