Answer:
A=0.25
B=0.5
C=0.25
Step-by-step explanation:
The commutative property of addition
Answer:
The answer is 7
Step-by-step explanation:
We know than Tan45=1
Tanx=opp/adj
tan45=y/(7
)/2
Thus y=7
/2
We know by pythagoras theorem that hyp^2=side^2+side^2
=(
+
=(49(2)/4)+(49(2)/4)
=(49/2)+(49/2)
=(98/2)
=49
x=7
Answer:

Step-by-step explanation:
Given

Required
Find 

In trigonometry:
If sin(A) = cos(B), then

So, we have:

Collect Like Terms



Answer: 
Step-by-step explanation:
1. Original Equation: 
2.Simplify: 
3.Apply exponent rule: 
4. Simplify: 
5.Apply exponent rule: 
6.Simplify: 