plz answer this 9th questions
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Secx=13/5, x lies in 4th quadrant. In 4th quadrant tan x is negative.
Sec x =hypotenuse /adjacent side.
Therefore hypotenuse =13,adjacent side =5
By pithogarous theorem, opposite side=12
Tan x=-(12/5)
Sec x =hypotenuse /adjacent side.
Therefore hypotenuse =13,adjacent side =5
By pithogarous theorem, opposite side=12
Tan x=-(12/5)
sanu2684:
i asked 9th questions
(1-i)v4=(1-2i+iv2)v2 =(1-2i-1)v2=(-2i)v2=4 iv2=4(-1)=-4
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