SOLUTION: sin[arccos1/2 + arcsin(-1)]
Algebra.Com
Question 432307: sin[arccos1/2 + arcsin(-1)]
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
sin[arccos1/2 + arcsin(-1)]
..
Using addition formula for sin: sin(x+y)=sinxcosy+cosxsiny
sin[arccos1/2 + arcsin(-1)]
sin(60+270)=sin60cos270+cos60sin270
=sqrt(3)/2)(0)+1/2(-1)
=0-1/2=-1/2
..
RELATED QUESTIONS
Evaluate:
(a)
Arcsin (-1/2)
(b)
sin [ Arcsin... (answered by stanbon)
Arcsin... (answered by stanbon)
cos^(-1)((1)/(x))=sin^(-1)(x^(2))
cos^(-1) being arccos and sin^(-1) being arcsin. (answered by Fombitz)
arcsin(sin... (answered by stanbon)
arcsin(sin(-19pi/6)) (answered by Edwin McCravy)
find solution cos(2 arcsin... (answered by tommyt3rd)
Evaluate:
{{{cos(pi +Arcsin(1/2))}}}
(answered by MathLover1)
Can you please help me with this problem?
Differentiate: y = x sec x + {{{sin x/(x^2 +... (answered by Fombitz)
cos [Arcsin (-1/4)... (answered by stanbon)