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Using simple trig identities, we know tan^2(A) + 1 = sec^2(A).Substituting for sec^2(A) into our equation, we get: tan^2(A) + 1 = 3 - tan(A).Moving this over to one side, we get the quadratic in terms of tan...

Although the unseen poetry section of an exam can seem intimidating, in my experience I've found it useful to begin by annotating the poem, and then using these annotations to structure your commentary. Ther...

A common way to structure paragraphs is to follow PEE, or ‘point, evidence, explanation.’ First, we start with our ‘point,’ or the statement of our argument. This should be 1 or 2 sentences long. This tells ...

1/4+2/4=3/4

Highest valued option forgone.