- How to find the equation of the tangents to the curve y=cosx at x=pi/2, 3pi/2, and 2pi?

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What happens if lidocaine is injected into the bloodstream? Why hasn’t the earth collided with anything if it’s hurdling through space? Two edges of a isosceles triangle are: A(2,-2) and B(6,0). Its area is A=20 cm^2. Edge C=? Card number? Write an equation showing ethylamine acting as a base and a nucleophile.?