Ok so cos(x) = sin(90-x) so using that you can get sin(7x-15) = sin(90-(3x+5)) so 7x-15 = -3x+85. 10x = 100 and x = 10. Use that to find the 2 angles are 55 and 35
Answer:
C will be the rightful answer
Answer:
idrk its one of them
Step-by-step explanation:
im sorry have a great day
