Mathematics, 11.03.2020 22:07, privise
Given: sin a=5/13 in Quadrant 1 and cos b=-12/13 in Quadrant 2; evaluate the following expression. sin(a+b)
1. -120/169
2. -1
3. 0
Answers: 3
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Given: sin a=5/13 in Quadrant 1 and cos b=-12/13 in Quadrant 2; evaluate the following expression. s...