3 years ago

If cos θ = 5/13, use the Pythagorean Identity to find sin θ.

1 answer:

6 0

Sin θ=sqrt(1-<span>cos^2 θ)
</span>sin θ=sqrt[1-(5/13)^2]
sin θ=sqrt[1-(5)^2/(13)^2]
sin θ=sqrt[1-25/169]
sin θ=sqrt[(169-25)/169]
sin θ=sqrt(144/169)
sin θ=sqrt(144)/sqrt(169)
sin θ=12/13

Answer: Second option 12/13

You might be interested in

Here are four straight line equations.

AnnyKZ [126]

lines a and d are parallel and lines b and c are parallel

6 0

3 years ago

A student records the feather colors and beak shapes of every bird observed in a park. What kind of data is the student recordin

Sav [38]

Answer:

the feather colors and beak shapes of every bird observed in a park.

Step-by-step explanation:

you said it in your question

4 0

3 years ago

Which sign should be used for the following equation? 0.452 _______ 0.712 < > ≤ ≥

ZanzabumX [31]

Answer:

Step-by-step explanation:

0.4<0.7

4 is smaller than 7 so the sighn points to 0.7

7 0

2 years ago

Use the distributive property to expand the expression. −(3a3 − 4b2) (12x − 9y − 5)

aalyn [17]

The answer to that is -3a+4b+12x-9y-4

6 0

2 years ago

How do I isolate the “I” variable

hjlf

Answer:

$I = \pm \sqrt{\dfrac{P}{R}}$

Step-by-step explanation:

$P = I^2R$

Divide both sides by R.

$\dfrac{P}{R} = I^2$

Switch sides.

$I^2 = \dfrac{P}{R}$

Take the square root of both sides.

$I = \pm \sqrt{\dfrac{P}{R}}$

6 0

3 years ago