Answer:
f(f(5)) = 11
Step-by-step explanation:
I hope that is useful for you
0.7999989281
x1 = cos^-1 (3/5)
x1= 53.13°
sin(53.13) = 0.7999989281
294 inches squred
3 x 10 = 30
3 x 9 = 27
10 x 9 = 90
2(30) + 2(27) + 2(90) = 294
305
23×9+98
207+98
