Question

Could someone help me with this question

Answer 1

y≈65 grades

Explanation:

cos y=6/15=2/5=0,4

Answer 2

66.4 degrees is your answer (1 dp 66)

Explanation:

then you do...

if you have a calculator: cos^-1 (6/15)

and round your answer to 1 d.p which gives you 66

HOPE THIS HELPS!!