SOLUTION: If sin(pi/2 -x)=0.35, what's cos x? A).35 B).43 C).45 D).53

Algebra ->  Finance -> SOLUTION: If sin(pi/2 -x)=0.35, what's cos x? A).35 B).43 C).45 D).53      Log On


   

Question 1089328: If sin(pi/2 -x)=0.35, what's cos x?
A).35
B).43
C).45
D).53
Found 2 solutions by Alan3354, solver91311:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If sin(pi/2 -x)=0.35, what's cos x?
---------
If sin(pi/2 -x) = cos x?
Remember that.

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Already answered this one.



Let and .

Substitute and do the arithmetic. Remember, and

John

My calculator said it, I believe it, that settles it