Am I allowed to open these brackets of t the angle?
Sin(X)Cos(90-V)
can it equal to sin(x)(Cos(90)-cos(v))?????????????
Sin(X)Cos(90-V)
can it equal to sin(x)(Cos(90)-cos(v))?????????????
1 Answer
Nov 28, 2017
Please see below.
Explanation:
.
I think you want to know if:
The answer is no. There is a formula for this:
Therefore: