Question 678757


a.) {{{sin^-1(0.5640)=34.33}}}° 
b.) {{{tan^-1(1.3459)=53.39}}}° 
c.) {{{cos^-1(3/8)=67.98}}}° 
d.) {{{cos^-1(-0.4768)=118.5}}}°  
e.) {{{sin^-1(5/9)=33.75}}}° 
f.) {{{tan^-1(16/3)=79.38}}}°