What is the unit digit of the cube of the number 1127

3.

Step-by-step explanation:

As the last digit is 7 the unit digit of it's cube is the last digit of 7^3.

7^3 = 7 * 49 = 343 so the answer is 3.

i used to know how to do this in 7th but i forget easily

step-by-step explanation:

(sin 42)/31. = sinx)/37

sinx = 37 (sin42)/31

= 37× 0.66/31 = 0.787

x= 51.9

other angle opposite to y = 180-51.9-42

= 180- 93.9 =86.1

so

sin42)/31 = sin 86.1)/y

0.021 = 0.997 /y

y= 0.997/0.021 =47.47