The equation is the given one:

Which is the same as:

And the interval of the angle θ must be (0°,90°) so, 2θ must be (0°,180°).
So the statement is True.
Answer:
3/4, 12/16
Step-by-step explanation:
times two or divide two
yes because you would subtract -9 from both sides of the equation leaving you with x = -4
Answer:
Step-by-step explanation:
The last three are irrational but I'm not sure about the first four.
Answer:
x= 5 ........................ .......