2 sin(x) - √2 = 0
2 sin(x) = √2
sin(x) = (1/2) √2
x = sin⁻¹ ( 1/2 √2 ) = <u>45°</u> and <u>135°</u> .
f(5) =2x2-9 because 2x2=4 and 9-4=5
To be honest i really dont know but if i have it i would tell u
The equation is false because the real answer is z5/4. The variable doesn't just disappear.
Answer:
9
Step-by-step explanation:
9 is the only number that has a whole number square root, 3.