Question 931314
Find the value of each expression using the given information.
21) If cot x = 1.35, find tan (x - π/2)
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cotx=1.35
tanx=1/cotx=1/1.35=0.7407
tan(x-π/2)=tanx-tan(π/2)/(1+tanx*tan(π/2)=undefined
tan(π/2)=undefined)