Use the the double angle formula:
sin(2A)=2sin(A)cos(A)
substitute 2x for A, then
20sin(2x)cos(2x)=10(sin(2(2x))cos(2(2x))=10sin(4x)
Answer:
94 * 41
Step-by-step explanation:
Answer:
1,469.33
Step-by-step explanation:
Answer:
-5
Step-by-step explanation:
-15 dived by 3 is -5 :)
Answer:
-1/3
Step-by-step explanation:
2/3x-1
(2-3x)÷3x
If x=1
(2-3(1))÷3
(2-3)÷3
-1/3