Answer:
Step-by-step explanation:
For any angle 
, we have that:
Quadrant:
means that is in the first quadrant. This means that both the sine and the cosine have positive values.
Find the cosine:
Since the angle is in the first quadrant, the cosine is positive.
All sides of an equilateral triangle are equal, so all three sides are 9 cm.
To find h, use the pythagorean theorem. This requires use of only one right triangle, where we use b as our h.
a^2+b^2=c^2
(4.5)^2+b^2=(9)^2
(20.25)+b^2=(81)
b^2=(81/20.25) or 4
square root both sides
b=2
Answer:
-29/20
Step-by-step explanation:
The cosecant function is the inverse of the sine function. Both sine and cosecant are odd functions, meaning csc(-x) = -csc(x) = -1/sin(x).
csc(-θ) = -1/sin(θ) = -1/(20/29) = -29/20
-2= y-4
——
0-2
-2= y-4
——
-2
(y-4)•-2 = -2
-2y+8=-2
-2y=-10
————
-2
y=5
hope this helps
Answer:
24
Step-by-step explanation:
In a fraction, the top number is the numerator and the bottom number is the denominator.
