Answer:
37.5
Step-by-step explanation:
It is really a simple equation, you are only dividing.
Hope this helps! ;)
Answer:y = 12x + 7
sin x = cos 54 = sin (90-54) = sin 46
Hence x = 46 deg
Same technique. Sin 21 = cos (5x+9) = sin (90-5x-9)
81-5x = 21
Or 5x = 60
Or x = 12 deg
hope it helps
