Solution
Solution
+1
Solution steps
Apply trig inverse properties
Show solutions in decimal form
Popular Examples
2cos^2(x)+cos(x)-1=0,0<= x<= 2piarcsin(x)-arccos(-1/2)= pi/6tan^2(x)-tan(x)-2=0tan^3(x)=3tan(x)sin(2x)=-cos(2x)
Frequently Asked Questions (FAQ)
What is the general solution for cos(x)=-3/4 ?
The general solution for cos(x)=-3/4 is x=2.41885…+2pin,x=-2.41885…+2pin