<span>Pi/4 is the answer
Because sin(Pi/2)=1 and arctan (1)=Pi/4</span>
Answer:
The second one is not true the left side 3 does not equal the left side 7, which means it is not true.
The third one is also not true because the left side 9 does not equal the left side 3, which also means it is not a true statement
Step-by-step explanation:
Answer:
Step-by-step explanation:
a) 15 + 6x = 81
6x = 81 - 15
6x = 66
x = 11
b) 40 + 55h = 190
55h = 190 - 40
55h = 150
h = 2.7
c) (p + 7)/12 = 3
p + 7 = 36
p = 36 - 7
p = 29
