If sin x = \frac{4}{5}, cos y = −\frac{12}{13}, where x and y both lie in second quadrant, find the value of sin(x + y)?

AAI ATC Junior Executive 25 Mar 2021 Shift 3 Paper

Question : 77 of 120

Marks: +1, -0

If sin x =

\;{4}/{5}

, cos y =

−\;{12}/{13}

, where x and y both lie in second quadrant, find the value of sin(x + y)?

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