cos-1(-sqrt(2)/2)

Q: 3. Use trigonometric identities to manipulate the following equations, such that their left side and…

A:

Q: Use the If cos 37.5° sin 7.5° product-to-sum formula to find the exact value: √A-B 4 then

A:

Q: Solve algebraically (without using a calculator) for all exact solutions in the interval [0, 2pi):…

A:

Q: Solve the equation for theta if 0° ≤ theta < 360°. (Enter your answers as a comma-separated list.)…

A: We know, sin2θ=2sinθcosθ

Q: Use long division or synthetic division to divide the following polynomials: 2x³ + x² - 2x +1+x+2

A:

Q: Q1. Graph the polar equation: I = 1+sin 0 Fill the table and use the values to graph. Use π/4 as…

A: The given polar equation is r=1+sin θ

Q: Graph. r = 1.5 www.A Whyn alamar hepatan hari hari www 2 4

A:

Q: (b) cos(cos-¹(√3))

A:

Q: What is the vertex of the following function? f(x) = x² + 4x +3 (-1,4) (-2,-1) (4,3) (-4, 3)

A: Solution : Given that f(x) = x^2 + 4x + 3 For vertex of the given function , f'(x) = 0

Q: If sin x 4 x in quadrant I, then find (without finding x): sin(2x) cos (2x) tan (2x) = = =

A:

Q: #3: A slide at the playground is 38 inches high. The angle of elevation from the bottom of the stide…

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: 3 y = -sin 3(x - 5) + 1

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: PRACTICE ANOTHER A straight river flows east at a speed of 11 mi/h. A boater starts at the south…

A:

Q: The terminal side of angle intersects the unit circle in the first quadrant at Cos 0? Select the…

A:

Q: Without using a calculator, what is the value of the following function? tan75° O √3+3 3-√3 √3-1…

A: The given trigonometric expression tan75°. We have to find the value of the expression.

Q: If cos x = sin 2x cos 2x tan 2x 4 csc x < 0, then ;

A:

Q: Use the triangle in the illustration for the exercise. B A 66.0 m 57.2 m 33.0 m i Find sin(A).…

A: See this solution in below.

Q: If sin A = 4/5, where A is in Quadrant II, and sin B = 7/25, where B is in Quadrant I, find cos (A +…

A:

Q: Find the coordinates of the midpoint of the line segment connecting the points. (x, y) = Submit…

A:

Q: Q2 Find the derivative of the following. function. 1. y = ln (x√x²-1) 2. y = -√√x² +1 +ln(X+5x² +1)…

A:

Q: A skier is on the top of a 350 meter tall mountain looking down at a tree. The direct path from the…

A:

Q: Problem 4: Find sin(2x), given cos x = , and sin x > 0. Do not use a calculator.

A: We have to find value of sin(2x).

Q: (root5-i)^8

A: To evaluate the following expression.5-i8

Q: Prove the identity. sin(2x) 2 tan(x) 1 + tan²(x) Write the more complicated side of the equation in…

A: As we know from the trigonometric identities. 1). tanx=sinxcosx 2). sin2x+cos2x=1 3).…

Q: Find sin(2x), cos(2x) and tan(2x) , given tan(x) = -4/3 , x is in Q2

A: We can find sin(2x), cos(2x) and tan(2x) using the given data in the below steps.

Q: Prove the identity. tan(x)+1 tan (x + 4) = 1 - tan (x) 44. tan

A:

Q: 24. Determine the exact value of x in the figure below. (a) x = cot (37.4°) 15.6 tan (37.4°) 15.6…

A:

Q: Using a trigonometric identity, tan tan tan tan K|4 ㅠ 3π 4 5п 4 23T 36 tan 80° tan 35⁰ 1 tan 80° tan…

A:

Q: 9csc²x - 23 = −cscx +3cot²x - 6 sinx

A:

Q: use double angle formula to find sin(2x), cos(2x) and tan (2x) using given information tan(x)= -4/3…

A: We can find sin(2x), cos(2x) tan(2x) using the given data in the below steps.

Q: Given that sin 0 = and is in quadrant 2, find the exact value of the following:

A:

Q: Q2. Graph the polar equation: I=1-2 cose Fill the table and use the values to graph. Use π/4 as…

A: see below the answer and explanation

Q: J 61² 8cm L K

A:

Q: b= C= A = B C 0 ed a A b Use the right triangle and the given information to solve the triangle. a =…

A:

Q: 10) From the fire tower in Flatlands National Park, a forest ranger sighted a fire. To measure the…

A:

Q: Prove: Sin(x-pi/2) = -cosx

A:

Q: 2. A) Simplify the expression below using "factoring methods" as much as possible and "trigonometric…

A:

Q: Find the tangent of ZC. E C 33 65 010 56 D Simplify your answer and write it as a proper fraction,…

A: Triangle

Q: Find all exact solutions on the interval [0, 27). If there is more than one answer, enter them as a…

A:

Q: If f(x)=2xf(x)=2x and g(x)=12xg(x)=12x , THEN (f∘g)=(g∘f)(f∘g)=(g∘f) true FALSE

A: Givenf(x)=2xg(x)=12xWe need to check if fog=gof

Q: Solve the following equation exactly in the interval [0,2pi) .  2sinxcosx+cosx+2sinx

A:

Q: Find the measure of angle z

A: We need to find measure of angle z

Q: 1 3. If sin x = and is in quadrant I, use the double-angle identities to find sin (2x), cos (2x),…

A: Given query is to find the value of tan(2x)

Q: Solve the following equations exactly in the interval [0,2pi ) 1. sin 2x + cos x = 1 2. sin2x cos…

A: Th equations to be solved are as follows: 1. sin2x+cosx=1 in the interval [ 0, 2π). 2.…

Q: C 32 40 В 24

A:

Q: Using the figure below, find the measure of each acute angle for the right triangle in degrees.…

A: Given query is to find indicated angles.

Q: Give the value of each trigonometric expressions. Justify your answers in some fashion (use special…

A: To give the value of each trigonometric expressions.1 sin101π2=?2 cot-5π6=?

Q: 8. Let f(a) = cos(a) and g(a): = sin(a). Find the exact value of f 3π

A: Given functions f(a) and g(a)

Q: 18. The terminal side of 0 intersects the unit circle at 2/5 √21 5 Find cot(0).

A: The terminal side of θ intersects the unit circle at -25, 215

Q: Find all of the solutions of the equation 1- sinx = √3 cosx on the interval [0, 360°]

A: To find all the solutions of the equation 1-sin x=3 cos x on the interval 0, 360°.