when it is necessary to use the Law of Cosines instead of the Law of Sines.

Q: A light truck with manual transmission has a circular brake drum with a diameter of d = 320…

A: Given diameter of d = 320 millimetres  Each brake pad, which presses against the drum, is s = 309…

Q: If the sine of an angle is .6691, Find the angle

A: Let the angle be 'x' sin(x)=0.6691

Q: What is the relationship between the sine and cosine of complementary angles and why is it true?

A: The sine of any acute angle is equal to the cosine of its complement.The cosine of any acute angle…

Q: If the sine of an angle is 817, what is the cosine of the angle's complement?

A: Given that complementary angle are those angle whose sum is 90 degree

Q: What is sin(A)?

A: NOTE: Refresh your page if you can't see any equations. . here the length of the opposite side of…

Q: How do you determine if you need to use the Law of Sines or the Law of Cosines?

A: Solution of the problem as follows

Q: Use a special right triangle to write cos 30 degrees as a fraction.

A: Let us use 30°-60°-90° triangle which is a right triangle having the angles 30° and 60°.

Q: 55.2 6.3 니2.2% a

A: We use sine law

Q: Find an angle θ with π/2<θ<2π that has the same: Sine as π/6: θθ = Cosine as π/6: θθ =

A: solution- we know that π = 180 so we have to calculate π/6 in sine &amp; cosine   180/6 = 30 so sine…

Q: Use the Law of Cosines to find the values of x and y.

A: Here we have to find the value of x and y,

Q: What is an equivalent expression in terms of sine for cos(68)?

A:

Q: Where can you use the law of cosines in real life?

A: Here is a real-life example of the law of cosine.

Q: The Double-angle Formula for the sine function is  sin(2θ)      _____.

A: Given :                 sin(2θ) Formula :                     sin(a+b) = sin a cos b + cos a sin b

Q: Write the law of sines.

A:

Q: Find an angle 0 with 0° < 0 < 360° that has the same: Sine as 30°: 0 = degrees Cosine as 30°: 0 =…

A: To determine: 1) Sine as 30 degrees and 2) cosine as 30 degrees.

Q: We can always use the Law of Sines to find missing parts of triangles in which one_______ and…

A: Explanation: According to the sine law asinA=bsinB=csinC

Q: Use Cosine and Sine laws to find the missing lengths and angles in figures 3. 30

A: I am attaching image so that you understand each and every step.

Q: State the sine law formula:

A: State the sine law formula:

Q: so cosA/sinA is my answer?

A: Let's simply given expression.

Q: Find an angle 60 with 0° < 0 < 360° that has the same: Sine as 70°: 0 = 0.9396 x degrees Cosine as…

A: We know that sine function is positive on both first and second quadrant, cosine function is…

Q: Evaluating the sine of a difference of two angles can be done using sin(A – B) =?

A:

Q: Can the following triangle be solved using cosine law, why or why not?

A:

Q: Find the value of the Sine, Cosine, Cosecant and Secant, if 0= 225°. What is the reference angle of…

A: Given unit circle with angle θ=225°

Q: Find the sin of 60°. V3

A: In the given question, concept of trigonometric ratio is applied. Trigonometric Ratios The ratios of…

Q: 15) X 17 km 27 31 Z

A: Given query is to solve the triangle.

Q: Explain why the sine or cosine of an acute angle cannot be greater than or equal to 1.

A: Let us consider a right angled triangle as below. Here θ is an acute angle. In the right angled…

Q: Complete the double angle formulas for sine, cosine, and tangent: sin(2x) || cos(2x) tan(2x) : ||

A:

Q: The sum of the sines of two angles A and B is 3/2 while the sum of the cosines of the angles is √3…

A: Given  Sin(A)+Sin(B)=3/2 Cos(A)+Cos(B)=(3^(1/2))/2

Q: photo attached

A: To determine the double angle identity.

Q: E F 105 29 in -D

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

Q: Define the law of Cosines?

A: Law of Cosines relates the lengths of sides of a triangle to the Cosine of one of its angles.

Q: Find an angle 0 with 0° < 0 < 360° that has the same: Sine as 70°: 0 = degrees Cosine as 70°: 0 =…

A:

Q: Find an angle 0 with 0° < 0 < 360° that has the same: Sine function value as 240° 0 = %3D degrees…

A: The answer is highlighted in the box.

Q: Find an angle 0 with 0° <0 < 360° that has the same: Sine as 80°: 0 = 100 degrees Cosine as 80°: 0 =…

A:

Q: Suppose each edge of the cube shown in the figure is 13 inches long. Find the sine and cosine of the…

A: Given Data: The length of each edge of the cube is: 13 inches   For right-angle triangle GCD, The…

Q: The cosine of the smallest angle in a right triangle is 0.8. What is the sine of the other acute…

A: If smallest angle is θ then other acute angle will be 90-θ sin90-θ=cosθ

Q: What are the reciprocals of the sine and cosine ?

A: we have to determine the reciprocals of the sine and cosine.

Q: If you know the sine value for a given angle, how can you quickly find the cosecant value for that…

A: See attached file for a detailed explanation and I also give an example so you can easily…

Q: Express the given sum or difference as a product of sines and/or cosines. sin 0 + sin 90

A:

Q: Suppose each edge of the cube shown in the figure is 9 inches long. Find the sine and cosine of the…

A:

Q: Complete the formula for the law of cosines: cos A = _________

A: To determine: Complete the formula for the law of cosines: cos A = _________

Q: What is the relationship between cosine and sine in relation to complementary angles?

A: Since the ratios sine of an angle and cosine of an is complementary ratios.

Q: Find the missing side using sine SOH

A: In this question, the formula of sine is used  Sin=perpendicular/hypotenuse

Q: Use the Law of Sines or the Law of Cosines to find the required part of the triangle.

A: Given triangle,

Q: Are the following statements true or false? Please explain. (a) The Law of Cosines cannot be used in…

A: We need to explain whether the statements are true or false.

Q: What

A: We will find sine and cosine values for given angle.

Q: Rewrite in terms of sines and cosines:

A:

Q: give the exact value of sine 60 degrees

A: sin(60°) = √3/2