let f(r)=sin^3r/cos^3r
so f(-r)= (sin(-r)/cos(-r))^3
=(-sinr/cosr)^3
=-f(r)
so it is odd function
Answer:
Mary has
3 10
shilling coins.
Step-by-step explanation:
77 students
G : B
7 : 4
11 units (7+4) = 77
1 unit = 7
7 units = 49
so there are 49 girls in the student council
hope this helped :)
Answer: m = -243
Explanation:
• Solve
-27 = m/9
•Multiply 9 by 27
m/9 * -27
• Result
m = -243
(x + 7)/2 - (x + 4)/2 = (x + 7 - (x + 4)/2 = (x + 7 - x - 4)/2 = 3/2
