Answer:so what is your question
Explanation:
I don't know if I'm right but I think is:
1- D
2-A
3-C
4-A
Sin(30°) =1/2 0.5
cos(30°) = (√3)/2
Note that the sin of an angle is equal to the cos of the complementary angle:
sin(60°) =cos(30°) = (√3)/2 since 30+60 = 90 (compl. angle)
Microwaves cause internal heating of the body tissue
