use the double angle formula to find the exact value of each expression 90
use the double angle formula to find the exact value of each expression
90<theta<180
sin(theta)=3/5
sin(2theta)
cos(2theta)
tan(2theta)
270<theta<360
tan(theta)=-5/12
sin(2theta)
cos(2theta)
tan(2theta)
180<theta<270
cos(theta)=-2/ sqarerootof (13)
sin(2theta)
cos(2theta)
tan(2theta)
0<theta<90
sin(theta)=2sqarerootof3/5
sin(2theta)
tan (2theta)
cos (2theta)