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3 years ago

HELP ASAP PLEASEEEEEEEEEE the first picture is the question and the second one is the answer choices

Mathematics

1 answer:

andrew-mc [135]3 years ago

3 0

I’m pretty sure that the answer would be c but if it’s not c then it would be b

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Let (8,−3) be a point on the terminal side of θ. Find the exact values of cosθ, cscθ, and tanθ.

denis23 [38]

Answer:

$\text{Cos}\theta=\frac{\text{Adjacent side}}{\text{Hypotenuse}}=\frac{x}{R}=\frac{8}{\sqrt{73}}$

$\text{Csc}\theta=-\frac{\sqrt{73}}{3}$

$\text{tan}\theta =\frac{\text{Opposite side}}{\text{Adjacent side}}=\frac{y}{x}=\frac{-3}{8}$

Step-by-step explanation:

From the picture attached,

(8, -3) is a point on the terminal side of angle θ.

Therefore, distance 'R' from the origin will be,

R = $\sqrt{x^{2}+y^{2}}$

R = $\sqrt{8^{2}+(-3)^2}$

= $\sqrt{64+9}$

= $\sqrt{73}$

Therefore, Cosθ = $\frac{\text{Adjacent side}}{\text{Hypotenuse}}=\frac{x}{R}=\frac{8}{\sqrt{73}}$

Sinθ = $\frac{\text{Opposite side}}{\text{Hypotenuse}}=\frac{y}{R}=\frac{-3}{\sqrt{73} }$

tanθ = $\frac{\text{Opposite side}}{\text{Adjacent side}}=\frac{y}{x}=\frac{-3}{8}$

Cscθ = $\frac{1}{\text{Sin}\theta}=\frac{R}{y}=-\frac{\sqrt{73}}{3}$

6 0

4 years ago

In the equation x+12=30 does x=16 explain your answer

denpristay [2]

No x does NOT equal 16. you would substitute x for 16 which gives you 16+12. That equals 28 not 30. The correct answer is x=18

4 0

3 years ago

Please take a look at the picture.

Lisa [10]

Answer:

I think it is total cost

6 0

3 years ago

I need to simplify it

aivan3 [116]

3a^2 B^3 C^-2 OVER a^-3 b^6 c^3

7 0

3 years ago

How to do this question plz answer my question plz

djyliett [7]

Answer:

£22.40

Step-by-step explanation:

60% of 12 is 7.2 (you can also write it as 7.20) so you times that by 2 to get 14.4 (you can also write it as 14.40) and $\frac{1}{3}$ of 24 is 8, so you add that to the 14.4 and you get 22.4 (also writen as 22.4) hope this helps!

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3 years ago