SOLUTION: Here is picture http://i.imgur.com/8a9h0ra.png What angles (in radians) have a cosine of 1/√2 ? Your angles should be given exactly. Recall that π is entered

Algebra ->  Trigonometry-basics -> SOLUTION: Here is picture http://i.imgur.com/8a9h0ra.png What angles (in radians) have a cosine of 1/√2 ? Your angles should be given exactly. Recall that π is entered       Log On


   



Question 972001: Here is picture http://i.imgur.com/8a9h0ra.png


What angles (in radians) have a cosine of
1/√2
?
Your angles should be given exactly. Recall that π is entered as: pi or Pi.
4.1 (1 mark)

Angle in 1st quadrant:
You have not attempted this yet
4.2 (1 mark)

In which quadrant is the other angle whose cosine is
1/√2
?
Answer 2 for 2nd quadrant, 3 for 3rd quadrant, or 4 for 4th quadrant.
Note: penalties for wrong answers are higher than usual. Don't just guess!
Answer:
You have not attempted this yet
4.3 (1 mark)

Angle not in 1st quadrant:
You have not attempted this yet

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
There's too much gibberish in your posting.
Just post the problem.
We have no interest in how many marks or penalties.