Trigonometry Lecture Notes, Section 5.1

1. = A. sin2x + cos2x. 2. tan x = B. cot x 3. cos(-x) = C. sec2x 4. tan2x + 1 = D. 5. 1 = E . cos x. Use identities to fill in the blanks. 6 ... 5.1 Day 2 Fundamental Identities – Clean up! Us: Re-write the expression in terms of the sine and cosine functions only and … ................
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