3 years ago

For what value of x is sin x = cos 19º, where 0°< x < 90°?

Mathematics

1 answer:

KonstantinChe [14]3 years ago

7 0

Answer:

71°

Step-by-step explanation:

The cosine of an angle is equal to the sine of its complement:

cos(19°) = sin(90° -19°) = sin(71°)

Comparing to the given expression, we see that x = 71°.

You might be interested in

During the winter of 2012–2013, Buffalo, New York received 22 inches of snow in 12 hours. Oswego, New York received 31 inches of

stira [4]

Answer:

2.07

Step-by-step explanation:

31/15

5 0

2 years ago

Solve the formula A = one-halfbh for h

garik1379 [7]

Answer:

$\frac{2A}{b} = h$

Step-by-step explanation:

We start with the equation $A = \frac{1}{2} bh$ . First, we multiply both sides by $2$ .

$2A = bh$

Next, we divide both sides by $b$ to get our answer:

$\frac{2A}{b} = h$

8 0

2 years ago

Hope this was hard enough not to be illogical or simple. 3x=66 Solve for x

EastWind [94]

Answer: x = 22

Step-by-step explanation: To get <em>x</em> by itself, we divide both sides by 2 and we have x = 22 which is the solution to this equation.

3 0

2 years ago

Read 2 more answers

True or false, a $100 shirt that is 20% off would cost $80 before tax

Alla [95]

True.
100 x .80 = $80

3 0

2 years ago

Read 2 more answers

Please solve this for me and show your work

Katyanochek1 [597]

Use your calculator ........................

4 0

1 year ago