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[DOC File]Home - Warren County Public Schools
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Sine Ratio (SIN) is Opposite Leg (of acute angle) Hypotenuse . Cosine Ratio (COS) is Adjacent Leg (to acute angle) Hypotenuse. Tangent Ratio (TAN) is Opposite Leg. Adjacent Leg. When you write the ratios for the sides of the right triangles, you are writing the value of the SIN function, COS function, or TAN function of the angle.
sin cos tan formula sheet

[DOC File]Lab 1 – Review of Trigonometry
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tan cos sin. sin 135o tan 300o cos 180o. III. Graphs of Trigonometric Functions. 1. Within your group, do “quick sketches” of at least 2 periods of the six basic trig functions (by hand). 2. Give the amplitude, period, & phase shift. Sketch the graph. a) b) c) 3. State the rule of a function of the form f(t) = A sin( bt + c) or g(t) = A cos ...
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[DOC File]Interval Notation (P
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Rule The six trig functions are defined on. the unit circle for an arc of length t . as follows: Common QI Arcs (5.2) t 0 0 1 1 0 Signs of Trig Functions (5.2) Rule The signs of the trig functions are. given as follows: Q sin cos tan cot sec csc I ( ( ( ( ( ( II ( ( ( ( ( ( III ( ( ( ( ( ( IV ( ( ( ( ( (
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[DOC File]Trigonometric Ratios for Obtuse and Reflex Angles
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e) tan (-500) f) cos (4500) g) sin (2500) h) tan (90o) The primary trigonometric ratio for any angle larger than 90o is equal to the trigonometric ratio of the related acute angle with the sign determined by the CAST rule. Example 2. Determine the trigonometric ratio in each case using the related acute angle and the CAST rule. a) sin(210o) b ...
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[DOC File]Factor and Remainder Theorems - Haringeymath's Blog
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Cosine rule: Use this formula to find a side length: Use this formula to find an angle: Use the cosine rule if you know all 3 sides (to find an angle) OR. if you know 2 sides and the angle in between (to find the 3rd side). In other situations try using the sine rule. Area of a triangle is A = Properties of sin, cos and tan Solving Equations
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[DOC File]Derivatives
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xn ex ex sin x - cos x cos x sin x tan x - ln | cos x | tan x ln x ln x x ln x – x , x > 0 ax Implicit Differentiation. To implicitly differentiate an expression of the form, (say), , we take . Where and we use the product rule for to get: We then “solve for” :
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[DOCX File]College of Arts and Sciences
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tan x = sin x cos x . cot x = cos x sin⁡ (x) sec x = 1 cos⁡ (x) csc x = 1 sin⁡ (x) Obtain co-functions in right column from left column by replacing . sin x → cos⁡ (x) and cos x → sin⁡ (x) .Two Famous Triangles. sketch 45°-45°-90° triangle, label angles and sides.
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[DOC File]Name____________________________
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0° 30° 45° 60° 90° sin (cos (tan (Examples-Find the exact numerical value of (sin 60°)(cos 30°) + tan 60°. Find the exact numerical value of (sin 90°) - (cos 60° + cos 30°). You need to fill in the chart for special angles. ***** try to do this with out looking at your table ***** (0° 30° 45° 60° 90° sin (cos (tan
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[DOC File]Investigating Sine, Cosine and Tangent of Obtuse Angles
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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 negative and find the related answer, θR. Step 2: Using the CAST rule, determine the quadrants it could be located it.
sin cos tan formula sheet

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a. cos-1 b. tan-1 c. cos-1. 3. Describe the end behavior of the function y = tan-1x. Composing Trig and Inverse Trig Function. We have already seen the need for caution when applying the Inverse Composition Rule to the trig functions and their inverses (example 1e and 2c). The following equations are always true whenever they are defined:
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Sin cos tan rule