Cos sin tan
[DOC File]TRIGONOMETRY
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WELCOME TO TRIGONOMETRY, ENJOY YOUR STAY (1) Assignment # 1 ( Complete the circle diagram (2) Assignment # 2 ( Sine & Cosine functions chart (3) Assignment # 3 ( …
[DOC File]Basic Trigonometric Identities
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Fundamental Identities. cos2 ( + sin2 ( = 1. 1 + tan2 ( = sec2 (1 + cot2 ( = csc2 (sin ( = − sin(−() csc ( = − csc(−() cos ( = cos(−() sec ( = sec(−()
[DOC File]Graphing Sine and Cosine – Worksheet #1
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Title: Graphing Sine and Cosine – Worksheet #1 Author: chris.jackson Last modified by: BPS Created Date: 1/6/2016 7:25:00 PM Company: Fortbend ISD
[DOC File]Investigating Sine, Cosine and Tangent of Obtuse Angles
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a) sin 99˚ b) tan 154˚ c) cos 210˚ d) cos 359˚ e) tan 31˚ Example 2: Calculate the following. What do you notice? Why? a) tan 210˚ and tan 30˚ b) cos 175˚ and cos 185˚ c) sin 43˚ and sin 223˚ Example 3: Determine the measure of angle θ, if cos θ = -0.87. Step 1: Ignore the …
[DOC File]Sine, Cosine, and Tangent Ratios
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cos 15° = cos 30° = cos 45° = cos 60° = Compare cos 35° and sin 55°. In general, how does cos(θ) relate to sin(90 – θ)? (Activity B continued on next page) Activity B (continued from previous page) In ΔDEF, (F is a right angle. Suppose m(D = 39° and DF = 9.8. Follow the …
[DOC File]Trigonometric Relationships and Identities
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sin (t + 2πn) = sin t. cos (t + 2πn) = cos t. tan (t + πn) = tan t. Page 1 of 2. Title: Trigonometric Relationships and Identities Author: Holy Ghost Last modified by: Holy Ghost Created Date: 11/9/2004 12:59:00 PM Company: Holy Ghost Prep School Other titles:
[DOC File]Trig Ratios
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SIN. COS. TAN . 23. Which trig ratio is represented? SIN. COS. TAN . 24. Which trig ratio is represented? SIN. COS. TAN . GSE Geometry Unit 3 – Similarity & Right Triangles 3.6 – Practice. Title: Trig Ratios Author: Emily Freeman Last modified by: Kathleen Merrill Created Date: …
[DOC File]Trigonometry Project
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With this information, what trig function (cos, sin, or tan) will you use to solve for side XY? Write an equation using A to represent your known angle, ZY to represent your known side, and x to represent the unknown side XY. The final step is once you know the length of XY, adding to XY the additional height.
[DOC File]PreCalc D - Trigonometry Worksheet
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25) sin < 0 and cos < 0 26) sec > 0 and cot < 0. 27) sin > 0 and cos < 0 28) csc < 0 and tan > 0 Evaluate the following trigonometric functions: 29) If sin = 1/2, then cos = ? 30) If sin = 1/3, then tan = ? 31) If cos = 4/5, then cot = ? 32) If sec = 13/5, then csc = ? 33) If cot = 15/8, then sec = ? 34) tan = 1/2, sin = ?
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