SOLUTION: arcsin(sin(10pi/3))+ arccos(cos(11pi/6))= A) pi/2 B) pi/6 C) pi/3 D) pi/4

Question 1200189: arcsin(sin(10pi/3))+ arccos(cos(11pi/6))=
A) pi/2 B) pi/6 C) pi/3 D) pi/4
Answer by ikleyn(52788)   (Show Source): You can put this solution on YOUR website!
.
arcsin(sin(10pi/3))+ arccos(cos(11pi/6))=
A) pi/2 B) pi/6 C) pi/3 D) pi/4
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The correct answer      is NO ONE of the values of the answer list.

The problem is DEFECTIVE:   it is posed incorrectly.

A ticket and the lowest possible mark to the person who created it.

This person, obviously, does not know the basics of the subject.

I am in doubt if this " problems composer " could pass an exam in Math.

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