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[DOC File]6.2 TRIG FUNCTIONS -- UNIT CIRCLE
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sec t = 1 / cos t csc t = 1 / sin t cot t = 1 / tan t. Periodic Functions: A function if said to be periodic if . ... DO NOT use a calculator! Example: Find 4 angles coterminal to . a) (/3 b) 3π/5. Example: Give the coordinates of the point on the unit circle that corresponds to .
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[DOCX File]Pre-Calculus
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cos(sin-1 2 x ) = _____Prove the following identities (NO CALCULATOR): 17. sin x + cos x cot x = csc x18. sec x – cos x = sinx tan x. 19. (1 + sin . θ )2 = 2(1 + sin θ ) – cos2 θ . 20. cos4 x – sin4 x = cos2 x – sin2 x21. 1+tanθ+cscθ secθ =sinθ+cosθ+cotθ . 22. tan x (sin x + cot x cos x ) = sec x
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[DOC File]Pre-Calculus
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17. sin x + cos x cot x = csc x 18. sec x – cos x = sinx tan x 19. (1 + sin )2 = 2(1 + sin ) – cos2 20. cos4 x – sin4 x = cos2 x – sin2 x 21. 22. tan x (sin x + cot x cos x ) = sec x. Solve the following equations (NO CALCULATOR): 23. sec x + tan2 x = -1 24. 4cos x sin2 x – 3cos x = …
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[DOC File]Chapter 1: Trigonometric Functions
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Approximate: Calculator in DEG mode. Quadrant ∠’s. Unit Circle. Drawing w/ Calculator. Table p. 27. Standard Position of ∠ Based on the ∠ in Standard Position the 6 trigonometric functions can be defined. The names of the 6 functions are sine, cosine, tangent, cotangent, secant and cosecant. ... Cos & sec …
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[DOC File]PreCalc D - Trigonometry Worksheet
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Do not use a calculator. 39) cos = 40) cos = 41) sec = 2 42) sec = -2 Solve using your calculator. 43) 2 sin x = x - 3 44) 3 cos x = 4x - 1 Title: PreCalc D - Trigonometry Worksheet Author: Janet Johnson Last modified by: Michelle Owen Created Date: 6/25/2015 3:10:00 PM Company: Home Other titles: PreCalc D - Trigonometry Worksheet ...
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[DOC File]Precalculus Notes
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Ex: Know sin = , find cos , tan . Using identities: Ex: tan = 5 find cot, sec, csc. Trig Word Problems: Finding values using a calculator: a) sin 65° 30’ b) tan 34° 20’ 15” c) csc 49° 36’ d) sec 71° Finding Angle Measures using a calculator: a) cosθ = .3947 b) tanθ = .8932 c) secθ = 1.2207
sec in terms of sin and cos

Cos and sec calculator