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Find the value of cos(4530) its urgent plsss |
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Answer» Step-by-step EXPLANATION:if it is degreethen 4530= 360 12 +210sin(360 12 +210)sin(210)sin(180+30) (this is in third quadrant and in this quadrant sin is -ve and at 180 it does not change)-sin (30)= -1/2and we KNOW that 1 - = 1-(-1/2)^2= 1-1/4 = 3/4so |
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