Answer:
The sin A expressed in ratio form is 
Step-by-step explanation:
From the given right angled triangle diagram, sin A is calculated as follows;

Therefore, the sin A expressed in ratio form is 
Answer:
Step-by-step explanation:
um
Answer: 1.13
Step-by-step explanation: 0.62-(-0.51) = 1.13
Hope it works
Answer:
243
Step-by-step explanation:
9 is subtracted from the sum of 5 and a number