Evaluating the tangent function for the two values we obtain the following:
tan 135=tan(135+180)=tan 315=-1
next:
tan -135=tan(180-135)=tan 45=1
thus comparing the two we see that tan 135 is negative while tan -135 is positive
For what? There’s nothing there lol
Answer:
The perimeter of ΔABC is 43 units
Step-by-step explanation:
An illustrative diagram is shown in the attachment below.
To find the perimeter of the triangle, we will first determine the length of the unknown sides.
First, we can determine /BC/ using the Sine rule
From Sine rule
∴
In the diagram, and
m∠A=60° and m∠C=45°
∴
To find /AC/, will first determine m∠B
m∠A + m∠B + m∠C = 180° (Sum of angles in a triangle)
60° +m∠B + 45° = 180°
m∠B + 105° = 180°
m∠B = 180° - 105°
m∠B = 75°
Also, using the sine rule
From the diagram,
Now,
The perimeter of ΔABC = /AB/ + /BC/ + /AC/
=
= 43.09 units
≅ 43 units
Hence, the perimeter of ΔABC is 43 units.
Answer:
N≤(20/3); Kindly rate
Step-by-step explanation:
The number N of pounds you can buy if you have $20, given that the cost of Berries is $3 per pound will be less or equal to (20/3)
Yes cause it’s closer to 0