Answer:
whats the question? not enough info
Answer:
you know that sin 90 is 1 and cos 45 is 1/√2
so,

You are welcome:)
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A = P.e^(r.t), where P is the initial population, r = rate of growth ,
t = interval of time & e = 2.7182...
A = 524(2.7182...)^(0.07x7) = 855.33 ≈ 856