marianaperozo2879 marianaperozo2879

06-03-2024
Mathematics

contestada

For positive acute angles a and b, if cos a = 5/13 and tan b = 9/40, find the value of sin(a - b) in simplest form.
a) 527/649
b) 649/527
c) 527/649
d) 649/527

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