3 years ago

Can anyone help me with this please? X

Mathematics

1 answer:

Levart [38]3 years ago

5 0

I am pretty sure the answer is 30 sorrry if I am wrong

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If cot theta= 4/3, find csc theta

Marrrta [24]

Answer: Option d.

Step-by-step explanation:

The trigonometric identity needed is:

$csc^2\theta=cot^2\theta+1$

Knowing that $cot\theta=\frac{4}{3}$ :

Substitute it into $csc^2\theta=cot^2\theta+1$ :

$csc^2\theta=(\frac{4}{3})^2+1$

Simplify the expression:

$csc^2\theta=(\frac{4}{3})^2+1\\\\csc^2\theta=\frac{16}{9}+1\\\\csc^2\theta=\frac{25}{9}$

Solve for $csc\theta$ . Apply square root at both sides of the expression:

$\sqrt{csc^2\theta}=\±\sqrt{\frac{25}{9}}$

$csc\theta=\frac{5}{3}$

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3 years ago

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Step-by-step explanation:

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3 years ago

A rental car costs a onetime fee of $150 and then an additional $80 for each day it is rented. If the Nawa family's total bill w

anyanavicka [17]

Cost=150+ 80d....d=number of days
470=150+80d
470-150=80d
320=80d divide by 80
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