Ask question

Ask question

All categories

4 years ago

10

If tan theta equals 5/4 and theta is a quadrant 3 angle, what is cos theta

1 answer:

ZanzabumX [31]4 years ago

8 0

(5^2+4^2)^.5=41^.5
tan=sin/cos
quadrant 3 cos is negative
cos theta=-4/41^.5

You might be interested in

Percent that equals 7/8

Galina-37 [17]

Answer:

.875

Step-by-step explanation:

7 divided by 8 is .875.

5 0

4 years ago

Read 2 more answers

Slope is -1/2 and (-9,5) is on the line<br> the equation of the line is y= ?

Lesechka [4]

Y=-1/2x+5 because the y intercept of the two points is 5

8 0

3 years ago

Let y=(3x + f(4 − x^2))^3. Find dy/dx for x=1, given that f(3)= -6 and f'(3)= 4

Shkiper50 [21]

Answer:

correct

Step-by-step explanation:

4 0

3 years ago

Select all the solutions to the inequality: -2x>10

Jlenok [28]

The answer:

-10, -8, -5

Explanation:

If you replace x with every number and solve the inequality, the one ones that correctly complete the inequality are -10, -8, and -5.

4 0

3 years ago

Which equation represents the line shown on the coordinate grid below?

kondor19780726 [428]

I thinks it’s A or C )) but it’s not b or d, I’m pretty sure. So imma go with A or c

5 0

3 years ago