Your answer is A. The sum of x and y is a rational number .
Step-by-step explanation:
Given
sin³ø cos ø + cos³ø sinø
= sin ø cos ø ( sin²ø + cos²ø)
= sinø cosø * 1
= sinø cosø
Hope it will help :)
Answer:
x = 8
Step-by-step explanation:
Here, we want to find the value of x
According to the theorem;
45 = 1/2(147 - (7x-5))
90 = 147 -7x + 5
90 = -7x + 147
7x = 147-90
7x = 57
x = 57/7
x = 8.142 which is approximately 8