only integers and polynomials are under subtraction.
Answer:
√49 = 7
Step-by-step explanation:
√49 = 7 is the only given number that is rational.
Answer:
105.07°
Step-by-step explanation:
The angle of v1 is ...
arctan(5/2) ≈ 68.199°
The angle of v2 is ...
arctan(-3/4) ≈ -38.870°
The angle difference between the two vectors is ...
68.199° -(-38.870°) = 105.07°