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RF2_8E_Practice how to get degree symbol on ke x | + score: 0/9 0/3 answered F2_8E_Practice purses.ditcc.edu/d2/le/content/95 104/viewContent/4541699/View . Question 3 Score: 0/9 0/3 answered . Question 1 _Practice Solve each equation for the specified variable. Score: 0/9 0/3 answered Part A: 15y? - 8y + 1 = 0 for y. . Question 2 attached to the end of a spring that is hanging from the ceiling. The weight is pulled y = h(t ) = 0.7 sin(0.8(t - 1.9)) + 1.2, where isthe means is given by the function Determine the first four values of t for which the weight is at a height of 1 meter above the face find three solutions of the equation 2 cos(3z) + 5 = 5cos(3x) + 3 in the interval 1 S z $ 4. All angles are measured in radians. Give your answers to two decimal places. r answers to two decimal places, and assume that all angles are measured in radians. Part B: Solve the equation 15(sin ()? - 8 sin 0 + 1 = 0 for 0. Find four solutions in the interval 0 s 8 5 5. Give your answers in radians to three decimal places Note: Use the result of Part A, substituting y Question Help: Message instructor Question Help: Message instructor Round your answers to three decimal places. Calculator radians Submit Question Submit Question Question Help: Message instructor Calculator Submit Question Question 3 In Reasoning with Functions 1 you learned how to solve equations with squares, square a binomial, and factor expressions. You will need to review these skills for the upcoming activities Part A: Expand (3x + 3)? Powers of Sine and Cosine Answer: There is a special notation used for powers of trigonometric functions. Instead of writing "(sin(x))3. " sinn( x ) is written for ( sin( * ) yin and 'cosAnt on' and cosAn(x)" is written for (cos(xjuby" when 'n' is a positive integer, Part B: Factor 9x7 - 25 Example: Find the exact value of 'sin^3(pi/6) . Answer: Solution: "sin^3(pi/6) - (sin(pi/6))^3 = (1/2)^3 - 1/8' Part C: Solve the equation for x: x2 + (0.5)? Find the exact values for the following. x - PartA: "cos^3(pi/4) Answer: Part D: Solve the equation for >: () + 3" - 1. Write your answers in exact form. RF2_9A_Practice Score: 0/5 0/2 answered Part B: "sin^2((2pi)/3) + cos^2((2pi)/3) . Question 1 Question Help: Message instructor Answer: Recall the Pythagorean identity from In-Class Activity 9.A. Question Help: Message instructor Submit Question Calculator Pythagorean Identity Submit Question sin?(0) + cos? (0) = 1 the following identities by showing, step by step, how the left side may be rewritten in the form of the right side. Part A: 25 sin?(y) + (2 + 5cos(y))? = 29 + 20 cos(y) Choose File No file chosen courses.atcc.edu/d2W/le/co Part B: (3 cos(z) + 3sin(z))? = 9 + 18 sin(z)cos(z) unity ( x bil RF2 9A Preview - MAT193-505 F X Q how to get degree symbol on ke x | + ycourses.dicc.edu/d2/le/content/95 104/viewContent/4541700/View Choose File No file chosen Solve the following problems. question Help: Message in Score: 0/10 0/5 answered Calculator Part A: Suppose x is a fourth-quadrant angle and cos(x) - 3. Find sin(x). You do not need to simplify . Question 4 . Submit Question your answer . sin(x) - Round your answers to two decimal places, if ncethe following (all angles are exp Part A: "sin15 ( 1.4) Part B: Suppose x is a second-quadrant angle, and cos(x) - - . Find sin(x). You do not need to simplify your answer. Part B :" sin* 2(7 ) + cos/ 2(7 ) sin(x) - Answer: Question Help: Message instructor Calculator Part C: Suppose x is a third-quadrant angle, and sin(x) - - Find cos(x). You do not need to simplify your answer. Question Help: Message instructor :" Reflect in ePortfolio PhotoGrid Activity Details
