In the second quadrant, both cos and tan are negative while only sin is positive.
To find tan, we will use the following property below:
Sec is the reciprocal of cos. If cos is a/b then sec is b/a. Since cos is 2/3 then sec is 3/2
Since tan is negative in the second quadrant. Hence,
Answer
By definition, we have to:
In plane geometry, a rectangle is a parallelogram whose four sides are at right angles to each other. Opposite sides have the same length.
There is a proof that a quadrilateral is a rectangle:
1) Its parallel sides are the same.
2) Its two diagonals are the same, and they bisect each other at the common midpoint
3) Any rectangle can be inscribed in a circle, two of whose diameters coincide with the diagonals of the rectangle.
4) If all the angles of a quadrilateral are right angles, then it is a rectangle
Answer:
x≥3
Step-by-step explanation:
7x-28≥-7
Add 28 to each side
7x-28+28≥-7+28
7x≥21
Divide by 7
7x/7≥21/7
x≥3
The answer is -7/12! Please mark me brainest! :)
