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Given: cos x= - 12/13, and sin x is negative. 40. In what quadrant is x located? 41. What is the value of sin x? tan x csc x sec x cot x ???
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@Pamelaa23 do you know in which quadrant cos is negative?
*sorry quadrants
Im not sure. All this cos, tan, csc is new to me.
Okay, I'll explain you:D
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I know that Q1 is top right, Q2 is top leaf, Q3 is bottom left, and Q4 is bottom right.
You should visualize sin x as the y-coordinate and cos x as the x-coordinate
So in Q1, whts the signs of the x and y coords?
Pamela?
|dw:1341165086675:dw| A=All are positive in Q1 S=only Sine and Cosec are positive in Q2 T=only Tan and Cot ar positive in Q3 C= only Cos and Sec are positive in Q4
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