Sin A = opp/hyp = 4/5
Cos A = adj/hyp = 3/5
Tan A = opp/adj = 4/3
Cos 27 = 0.8910065... --> 0.89
You can just plug that into your graphing calculator, just make sure the degree mode is on.
Well you don't have to subtract it you can also simply the expression
7i-16i
And you'll get 4-33i
Hopefully this helps you !
<h2>Solving for the x-intercepts of a Parabola given the Equation</h2><h3>
Answer:</h3>
and 
<h3>
Step-by-step explanation:</h3>
-intercepts are just the values
when
.
Solving for
:

Solving for the Positive Square Root:

Solving for the Negative Square Root:

Answer:
E
Step-by-step explanation:
11x-4<15
11x<11
x<1
12x-7>-25
12x>-18
x>-3/2
x<1 or x>-3/2, that covers the whole x-axis domain