Answer:
The first one is the answer
Answer:
-4,15 -14,5 6,5
Step-by-step explanation:
Answer:
Hey, Something To help Check Out Symbolab its an online calc it has EVERYTHING thats how i do my math hope this helps
Step-by-step explanation:
The square root of -56 is 7.4833 (feel free to round it up to 7.5)
I hope this helps you!
Let the two sides of a right triangle be equal to one, which means that the hypotenuse is √2
Since cosa=adjacent side / hypotenuse
cos45=1/√2
We can rationalize the denominator by multiplying numerator and denominator by √2
√(2)/2
or if you prefer: √(1/2)