Answer:
Step-by-step explanation:
take angle C as reference angle
using cos rule
cos C=adjacent/hypotenuse
cos C=21/75
cos C=0.28
C=0.28
C=73.7 degree
Answer:
−9
Step-by-step explanation:
Answer:
There was a 25% increase.
Step-by-step explanation:
M/7 would be the correct answer