3) Given cos x =3/5 and sin y = −12/13 , with x and y in quadrant IV, find sin(x + y).

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in

Related Trigonometry Q&A

Find answers to questions asked by students like you.

Q: The following graph shows at least one complete cycle of the graph of an equation containing a trigo...

A: To find the equation of the given graph.

Q: 3.4.43 Question Help The tires of a bicycle have radius 11.0 in. and are turning at the rate of 225 ...

A: To determine the speed of the bicycle in mph.

Q: 3tan(3θ) − 1 = 0 (a) Find all solutions of the equation (b) Find the solutions in the interval [0, 2...

A: To solve the given trigomometric eqution completely.

Q: Find the side labeled x. (Round your answer to one decimal place.) X = 28 20 120

A: Redraw given right angle triangle as shown below.

Q: Prove the identity. sec2 (x/2)= 2 sec x + 2/sec x + 2 + cos x

A: The given equation is,

Q: cscx-sinx=cotxcosx When using trigonometric identitities to prove if true, can you get an equivalen...

A: Proof:

Q: Find the exact value of the expression using the provided information.Find cos(s + t) given that cos...

A: To determine the value of cos (s + t).

Q: Suppose that cosx=a, where x is in quadrant II. Then evaluate cos(x/2+π/4)  in terms of a.

A: Given that cosx=a, x in 2nd quardinate

Q: Determine whether the equation is an identity. If it is, explain how. (sinx + cosx)^2 = 1

A: An identity can be defined as an equality relation A=B, such that A & B contains some variables ...

Q: Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the fi...

A: Given information:

Q: Solve the following equation over the indicated interval. A calculator is required. Calculated answe...

A: Given,

Q: Solve the equation for 0 if 0° <0 < 360°. (Enter your answers as a comma-separated list.) 2 sin e 3 ...

A: Click to see the answer

Q: Write cot x in terms of sin x.

A: To determine the expression for cot x in terms of sin x.

Q: Suppose you are solving a trigonometric equation for solutions over the interval [0,2π)​, and your w...

A: Given that the solution of trigonometry equation over the interval [0, 2pi) is

Q: 39 36 33 What is the solution of log(2f+4) = log(14-30)2. DI18 D-2 O2 10 Mark this and return

A: Given, 

Q: Using reciprocal identities how do you solve this problem? is it solvable? Cosx - Secx = -SinxTanx

A: Given that an trigonometric equation:

Q: (cos x)(csc x) = (cos x) ___

A: Consider the given information

Q: Find all values of 0, if e is in the interval [0, 360) and has the given function value. 213 sec 0= ...

A: Recall the following fact.

Q: question number 33

A: Factor as follows.

Q: Verify each equation is an identity. 2 2 3. sec 2 1+ cos 11

A: To verify:

Q: Determine whether the equation is an identity. If it is an identity, prove it. ((cot^2)x) / (csc x -...

A: Given,

Q: 17 14 13 15 12 16 Which graph shows the solution to the equation below log3(X+3) logo3(X-1) 1 33 10 ...

A: To obtain the graph of the given equation,

Q: Hi, My homework is asking for me to express 2^8 using base e.  How do I do that?

A: Given, 

Q: For the following, assume that all the given angles are in simplest form, so that if A is in QIV you...

A: Given,

Q: see attachment

A: Click to see the answer

Q: see attached

A: To find the all solutions of the below equation which are in the interval range [0, 2π).

Q: The voltage E in an electrical circuit is given by E = 1.3 cos 100 πt, where t is time measured in s...

A: The expression of voltage (E) as a function of time is given below.E = 1.3∙cos(100∙π∙t)

Q: Find a possible formula for the trigonometric function graphed below. Use x as the independent varia...

A: Let us take the original function f(x) = cos x The graph of the function cos x is shown below:

Q: Use the formula for cos(alpha-beta) to find the exact value of cos6degrees. You do not have to simpl...

A: From the pentagon figure, obtain the value of diagonal as,

Q: The question says to write the trigonometric expression in terms of sin and cos, and then simplify: ...

A: Given trignometric expression is 

Q: If the point P( -4/5 , y) is on the unit circle in quadrant IV, then y= ??

A: Click to see the answer

Q: I am confused on how to set this problem up in order to solve for it.    Thanks much.

A: Click to see the answer

Q: Prove the identity sin(90°x) + sin(90° - x) = 2 cos x We begin on the left side of the equation by u...

A: Given,

Q: see attachment

A: To identify (the region) all the points (x,y) in the plane satisfying y&gt;=-4x+5

Q: A ferris wheel is 35 meters in diameter and boarded at ground level. The wheel makes one full rotati...

A: Since the diameter of ferris wheel = 35meter So, the radius of the wheel is = 35/2 = 17.5 meter so t...

Q: How to come to the solutions

A: The given equation is,

Q: see attachment

A: Given information:

Q: I am very confused about this concept. Any help would be great.   Thanks much.

A: Given expression is Let Plugging the value in the expression:

Q: Find the exact values of the six trigonometic functions for the following angle sin 30 degree?

A: It is known that, π/3=30◦Sketch the graph of the unit circle as follows.

Q: Solve sin2x=sinx for 0&lt;x&lt;2pi. Write solutins as simplified exact values.

A: We need to Solve sin 2x = sin x for 0 ≤ x &lt; 2π.

Q: If cosx=4/5,cscx&lt;0,then: sin 2x=_____                  cos 2x=_____            tan 2x=_________ f...

A: NOTE: As you have posted question with multiple subparts, we will answer the first three questions f...