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[DOCX File]Finding Values on the Calculator - White Plains Middle School
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cos) of Angle x = Side Adjacent to Angle x Hypotenuse tangent (tan ... The sine, cosine, and tangent of any angle is a known value that can be found using any scientific calculator. ... sin 45° _____ tan 65° _____ cos 44° _____ Lesson Summary. The Three Trigonometric Ratios ...
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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 . for all θ in the domain of f. The smallest number p for which f is periodic is called the . ... DO NOT use a calculator! Example: Find 4 angles coterminal to . a) (/3 b) 3π/5.
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[DOC File]Pre-Calculus
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Find the exact values of the following (NO CALCULATOR). 14. cos(sin-1 (-2/7)) = _____ 15. sin(tan-1 ¾) = _____ 16. cos(sin-1 2/x ) = _____ Prove the following equations (NO CALCULATOR): 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 ...
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[DOC File]Name__________________________
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Sin, Cos, and Tan are the buttons on your calculator that stand for Sine, Cosine, and Tangent. Each of the functions represents a fraction that you can write using the sides of the triangle. Before you can write the fraction, you need to figure out which sides of the triangle you need to use.
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[DOCX File]Pre-Calculus
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(NO CALCULATOR). 14. cos(sin-1 (-2 7 ) = _____15. sin(tan-1 3 4 ) = _____16. cos(sin-1 2 x ) = _____Prove the following identities (NO CALCULATOR) ... tan x (sin x + cot x cos x ) = sec x. Graph the following trig functions (NO CALCULATOR): 23. y=3 csc ( θ 3 + π 2 ) -1 24. f x = -2 tan (θ- π 3 ) 25. An object moves in simple harmonic motion ...
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[DOC File]7-3 The Sine and Cosine Functions
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Problems without using calculator 1) Tan-1 (-1) = x means tan x = -1. ... Cos( Sin-1 ( -4/5)) Since the number is negative, the sin is in the fourth quadrant. Thus y = -4 and r = 5 which makes x = 3 Thus , the cos = x/r = 3/5 Notice , we could do the last two problems without really knowing the size of the angle!! ...
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[DOC File]Chapter 1: Trigonometric Functions
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Sin θ/cos θ = tan θ not for 90° & 270° or multiples. Cos θ/sin θ = cot θ not for 0°, 180° & 360° or multiples Reciprocal Identities (Important in Calculus) These come from the definitions and they are just the pairings that relate to being the reciprocal of the given trig f(n) – sin θ, cos θ or tan θ.
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[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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[DOC File]CHAPTER 10 : TRIGONOMETRIC FUNCTIONS, IDENTITIES & …
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Note : Equations of the type a cos ( + b sin ( = c where a, b and c are constants, to solve it, we first express a cos ( + b sin ( = R cos (( ( () where R > 0 and ( is acute. Example 7.10 Find the general solution of the equation cos x + cos 2x + cos 3x = 0 and hence deduce the values of x between - ( and (.
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[DOC File]Sine, Cosine & Tangent
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. cos 150o g. cos 210o h. cos 330o. i. tan 30o j. tan 150o k. tan 210o l. tan 330o. Q5. Copy and complete this table to show the values where sin, cos and tan are positive (+) or negative ((). Q6. Write down the sign (+ or for the following. a. cos 22o b. tan 123o c. sin 315o d. sin 15o. e. tan 196o f. cos 295o g. tan 66o h. sin 132o. i. cos ...
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Sin tan cos calculator