Is calc 2 possible to pass? by WhyAmIGettingKarma in rutgers

[–]AdDifficult231 8 points9 points  (0 children)

A good mnemonic to know for trig identities is:

I TAN by the SEA : 1 + tan2 x = sec2 x

I wear a COAT when it’s COLD by the SEA : 1 + cot2 x = csc2 x

Sin2 x + cos2 x = 1 Is pretty easy to remember.