90° becuase 60+30 = 90 and 90+90=180
Answer:
its 36
Step-by-step explanation:
Answer:
x=pi*n/2+1/2arctan(7/5)
Step-by-step explanation:
5sin(2x)=7cos(2x)
5tan(2x)=7/5
2x=pi*n+arctan(7/5)
x=pi*n/2+1/2arctan(7/5) for n e Z
Answer:
11
Step-by-step explanation:
The first 12 terms of the sequence are ...
1 1 2 3 5 8 13 21 34 55 89 144
The first term that is greater than 60 is the 11th term, 89.
n = 11
6r × s × 4rt = (6 × 4)(r × r)(st) = 24r²st