# trig question sinx = sq rt 3/2 and tan x <0 find value of cos x

**Question description**

1. Solve inequalities

x^2-3x<-2

2. find two values of x in radians interval 0<=x<2pi that satisfy sec x = 5.1258 (need four decimal places)

3. rewrite sin[arccos(x/3)] as an algebraic expression in x with no trig functions

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