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### 32 Cards in this Set

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• Back
 sec 1 / cos csc 1 / sin cos 1 / sec ; x sin 1 / csc ; y tan sin / cos cot cos / sin Sin squared θ + cos squared θ 1 tan squared θ + 1 sec squared θ 1 + cot squared θ csc squared θ sin (θ + B) sinθcosB + cosθsinB sin (θ - B) sinθcosB - cosθsinB cos (θ + B) cosθcosB - sinθsinB cos (θ - B) cosθcosB + sinθsinB sin (2θ) 2sinθcosθ cos (2θ) cos squared θ - sin squared θ cos (2θ) 1 - 2sin squared θ cos (2θ) 2cos squared θ - 1 sin (θ/2) + or - square root of (1 -cosθ / 2) cos (θ/2) + or - square root of (1 + cos θ / 2) arithmetic sequence a1 + d(n-1) arithmetic series ((a1 + an)n) / 2 geometric sequence a1 x r ^ n-1 geometric series a1 - (a1 x r^n) / 1 - r law of sines find smallest angle law of cosines find biggest angle SSA / ASS 2 solutions check ! log b of mn = log b of m + log b of n log b of m/n = log b of m - log b of n inverse of function substitute y for x or x for y continuously compounded interest a = pe ^ rt p = starting amount r = rate t = time scientific y = ne ^ kt appreciation / depreciation V = p(1 +r) ^ n p = starting amount r = rate of growth / decay n = time