Step-by-step explanation:
shown in the photo I have provided
4b+24=7b-8
32=3b
b=32/3
hope this helps!
Answer:
The most straightforward way to obtain the expression for cos(2x) is by using the "cosine of the sum" formula: cos(x + y) = cosx*cosy - sinx*siny. cos(2x) = cos² (x) - (1 - cos²(x)) = 2cos²(x) - 1. = 2cos²(x) - 1.
Step-by-step explanation:
Answer:
the full question isn't there. what do you need to find the number of??
3 is in the tens and 1 is in the ones. To explain more easily... 30+1 is 31.<span />
