Cosx= sin(90-x)
From the RHS,
sin(90-x)= sin90cosx-cos90sinx
Since sin90=1, cos90=0
sin90cosx-cos90sinx=cosx-0=cosx (proven)
Answer:
it make sense
Step-by-step explanation:
(X is another 2)
x-5=3
2x+1=5
we're gonna barrow 5 from the first question and get the answer in the second question
so..
5-5=0
hope it helps
X/50=30/100
15 grams of cocoa
Answer: y + 7 = (-7/4)(x - 4)
y + 7 = (-7/4)x + 7
y = (-7/4)x
Step-by-step explanation:
