Question

Help me solve this please

Answer 1

R is a 90 degree angle you can see that by looking for a square where the two live meet and s=42 add 90 to 42 to get your answer

Hope this helped! :)

Answer 2

`\cos(42) = ( RS)/(3) \\ RS = 3 * \cos(42) \\ RS = - 1.19`

1.19