Question

Help on #25 and #26 please

Answer 1

Explanation:

25.

`cos 45=(x)/(18√(2) ) \\(1)/(√(2)) =(x)/(18√(2) ) \\x=(18√(2))/(√(2)) \\x=18`

26.

sin30=30/x

`(1)/(2) =(30)/(x) \\x=30 * 2=60`