dakasuwilanji433 dakasuwilanji433
  • 12-06-2021
  • Mathematics
contestada

If tan x= -4/3 and sin y=-3/5, where x is a second quadrant angle and y is a fourth quadrant angle, find:
i) Sin(2x-y)
ii)tan(x+2y)
iii)cos(2x-3y)

Respuesta :

manhbosao11032003
manhbosao11032003 manhbosao11032003
  • 14-06-2021

Answer:1. -117:125

2.4:3

3.3116:3125

Step-by-step explanation:

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