Here,
cos(x) = sin(35)
cos(x) = cos(90-55)
cos(x) = cos(55)
x = 55
The answer is
option D "<span>
5,950,000".</span>

Which would equal 5,950,000.
Hope this helps!
Um the answer is kinda hard to do cause the answer is 9.70e17, but i dont know how to do that in scientific notation.