Question

7. What is the sin(90-x)?

A. 0.3
B. 0.6
C. 0.9
D. 0.4
E. 0.2
F. 0.5

after trying it my self I got .2 but I'm not sure

Answer 1

`\\ \sf\longmapsto sinx=(Perpendicular)/(Hypotenuse)`

`\\ \sf\longmapsto sinx=(4)/(5)`

`\\ \sf\longmapsto sin(90-x)`

`\\ \sf\longmapsto cosx`

`\\ \sf\longmapsto cos(4/5)`

`\\ \sf\longmapsto cos(0.8)`

`\\ \sf\longmapsto 0.99`