The inverse cosine is taken in QI and QII between 0 and p.







First find:







Then







--------------------------------------------------------



 







Distribute































-----------------------------------



























Distribute:























Edwin
 

RELATED QUESTIONS

Trigonometry

Find the exact value of:
inverse cosine(0) 
inverse cosine(cos 4pie/3)
 (answered by Alan3354)

Find the exact value of

 Sin(Tan-1 7/24)
 Cos-1(Cos 4Pi/3)
  (answered by jsmallt9)

find the exact value of cos(sin inverse 1/3 - tan inverse... (answered by lwsshak3)

Simplify cos(2sin^-1(x))

(sin^-1 = sin... (answered by ikleyn)

Find the exact value of cos^-1(cos(4pi/3)).

 (answered by stanbon)

simplify the following to a single trigonometry term

1. cos 10 . cos 340 - sin 190 .... (answered by MaxWong)

Hei!

simplify:
{{{... (answered by lwsshak3)

simplify (x*... (answered by stanbon)

simplify:

SIN^2 x - COS^2 x/SINX +... (answered by lwsshak3)