Answer:
875
Step-by-step explanation:
lets assume the original amount X
the new amount = X - ( X × 40% )
525 = (60 × X) ÷ 100
X = ( 525 × 100 ) ÷ 60
<u>X = 875</u>
Answer:
X = -5
Step-by-step explanation:
Answer:
1.5 times.
Step-by-step explanation:
6.75 / 4.5 = 1.5.
Answer:
-241
Step-by-step explanation:
Hope this helps
Simply you can substitute theta=45 degrees (or any angle,not zero) in left hand side and right hand side.
or
using a^2 - b^2 =(a+b)(a-b)
= sin(2x+x)sin(2x-x)
= sin 3x sin x