cos y = − 12/13

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Example 25 If sin x = 3/5 , cos y = − 12/13 , where x and y both lie in second quadrant, find the value of sin (x + y).
22
Oct
Example 25 If sin x = 3/5 , cos y = − 12/13 , where x and y both lie in second quadrant, find the value of sin (x + y). cos y = − 12/13 Example 25 If sin x = 3/5 find the value of sin (x + y). where x and y [...]
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