1.C
2.A
3.C
4.D
5.B
I hope I helped!
Sine:
0.94544515492
Cosine:
<span>0.32578130553
</span>
Step-by-step explanation:
100Km/hours......V/T
Answer:
336x + 624
Step-by-step explanation:
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