If tan 'x + tan 'y + tan 'z= 1/2, show that xy + yz +zx = 1
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You work for a lender that requires a 20% down payment and uses the standard depth to income ratio to determine a person‘s a little eligibility for a home loan of the following choose the person that you would rate the highest on their eligibility for a home loan

27 is what percent of 108? 27 is % of 108

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=