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1 year ago

15

Help me pls dont write fake answers pls

1 answer:

IrinaK [193]1 year ago

6 0

Answer:

it’s C, 5.2

hope i helped

ur wlcm :)

correct me if im wrong

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How is this worked out ? im confused.

Rudik [331]

Answer:

From the given ratio for $tan\theta=\frac{4}{5}$ we found the values are

$sin\theta=4$

$cos\theta=5$

$csc\theta=\frac{1}{4}$

$sec\theta=\frac{1}{5}$

$cot\theta=\frac{5}{4}}$

Step-by-step explanation:

Given the ratio for $tan\theta=\frac{4}{5}$

We have to find the rest of trignometric functions:

$tan\theta=\frac{4}{5}\hfill (1)$

$tan\theta$ can be written as

$tan\theta=\frac{sin\theta}{cos\theta}\hfill (2)$

Comparing equations (1) and (2) we get

$tan\theta=\frac{sin\theta}{cos\theta}=\frac{4}{5}$

$\frac{sin\theta}{cos\theta}=\frac{4}{5}$

Equating the coressponding numerator and denominator respectively

Therefore $sin\theta=4$ and $cos\theta=5$

We can find $csc\theta$

$csc\theta=\frac{1}{sin\theta}$

$=\frac{1}{4}$ (since $sin\theta=4$ )

$csc\theta=\frac{1}{4}$

We can find $sec\theta$

$sec\theta=\frac{1}{cos\theta}$

$=\frac{1}{5}$ (since $cos\theta=5$ )

$sec\theta=\frac{1}{5}$

To find $cot\theta$ :

$cot\theta=\frac{1}{tan\theta}$

$=\frac{1}{\frac{4}{5}}$

$=1\times \frac{5}{4}$

$=\frac{5}{4}}$

$cot\theta=\frac{5}{4}}$

7 0

3 years ago

Write an equation of the parabola that passes through the point (62,-490) and has x-intercepts -8 and 72

bixtya [17]

Step-by-step explanation:

as x intercepts are -8 and 72 we realize that f(x)=a(x+8)(x-72)

we know that f(62)=-490 so a= -0.7

so f(x)= -0.7(x+8)(x-72)

3 0

2 years ago

Simplify: 5^2(3d - 2)

stiks02 [169]

Answer: 25d

Step-by-step explanation:

3d - 2 = 1d

5(5) = 25

25(1d) = 25d

5 0

2 years ago

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What are three common buying methods?

Alex

Trade
money
credit card

4 0

2 years ago

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Find the missing side

Romashka-Z-Leto [24]

Hi there!
The question here is basically asking us to use ratios to find the length of the missing side. To do this, we must first construct a ratio. The best one would be -
$\frac{84}{12} = \frac{56}{x}$
Now, just cross multiply and solve for x.
$\frac{84}{12} = \frac{56}{x}$
$84x = 672$
$x = 8$
Therefore, the length of the missing side would be 8. Hope this helped!

5 0

3 years ago

Read 2 more answers