Answer:
cos60°
Step-by-step explanation:
Using the cofunction identity
cos(90 - x) = sinx , then
sin30° = cos(90 - 30)° = cos60°
Answer:
46.5
explanation
6.022*10^23 molecules=40g.
7.00*10^23=40*7.00*10^23/6.022*10^23 g =46.5 g
All of those numbers are rational, except the square root of 12.
Answer:
Step-by-step explanation:
6⁻︎¹(4⁻︎²)
1/6x1/4 2
1/6 x 1/16
1/96
