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3 years ago

5

Tanθcscθcosθ=1 Trig Identities

1 answer:

Harman [31]3 years ago

5 0

$\bf tan(\theta )csc(\theta )cos(\theta )=1 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \cfrac{sin(\theta )}{cos(\theta )}\cdot \cfrac{1}{sin(\theta )}\cdot cos(\theta )\implies \cfrac{sin(\theta )}{sin(\theta )}\cdot \cfrac{cos(\theta )}{cos(\theta )}\implies 1\cdot 1\implies 1$

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If the first of three consecutive integers is subtracted from 138, the result is the sum of the second and third. What are the i

Murljashka [212]

Answer:

<h2>45, 46, 47</h2>

Step-by-step explanation:

n, n + 1, n + 2 - three consecutive integers

The equation:

138 - n = (n + 1) + (n + 2)

138 - n = n + 1 + n + 2 <em>combile like terms</em>

138 - n = 2n + 3 <em>subtract 138 from both sides</em>

-n = 2n - 135 <em>subtract 2n from both sides</em>

-3n = -135 <em>divide both sides by (-3)</em>

n = 45

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beks73 [17]

<u>Hello:</u>

<u />

<u>Okay, this problem should be taken in a series of steps</u>:

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$\rm\hookrightarrow \frac{y_2-y_1}{x_2-x_1}$

(x₁,y₁) -- first point
(x₂,y₂) -- second point

<u>Okay, now let's use this knowledge</u>

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12. (8,7) and (4,7)

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<u>Answer:</u>

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