All the angles in any triangle add up to make 180°.
-1/2 and -2 would be the answer
This would be because when you plug these number instead of x the answer is equal to or less than 13
Answer:
Step-by-step explanation:
In each case, draw the right triangle which produces the inverse trig value. That is, label the two sides as needed, and calculate the third side.
It should be clear that


sin(2α) = 2 sinα cosα
So,

See what you can do with the others.
Answer:
Step-by-step explanation:
M and N and QR