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

Q: Consider the triangle AABC with sides a 5 and b = 4, and ZA = 120°. Use the Law of Sines to…

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Q: In Problem,solve each triangle using either the Law of Sines or the Law of Cosines. a = 4, c = 5, B…

A: Here, our aim is to solve the triangle with a=4, c=5 and B=55°using the Law of Cosines.Here, we have…

Q: Solve the triangle. Round your answers to the nearest tenth. Triangle ABC with angle B being seventy…

A: Given, ∆ABC with ∠B = 79.5°, AB = 25.1 km  and  BC =24 km  We have to solve the triangle

Q: Explain why the Pythagorean Theorem is a special case of the Law of Cosines.

A: Consider the following figure: Law of cosine: c=a2+b2-2abcosθ

Q: 1, list the parts of each triangle you can determine using the Law of Cosines.

A: The solution for the above question is shown below.

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: Gabriela needs to find the cosine of . If she knows that cos=, how can she use the double angle…

A: It is known that π6 can be written as 2π12. Formula used: Here we shall use the formula:…

Q: Illustrate the Law of Cosines?

A: Given: Define the law of cosines with examples:

Q: HE

A: to solve given triangle in which AB=17,BC=14 and ∠A=45°

Q: 55.2 6.3 니2.2% a

A: We use sine law

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: can this triangle be solved using cosine law, explain. For those that cannot, explain why not.

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Q: 73.0 10.5 cm 53.3° A

A: AB = c = 10.5 cm AC = b  that we are asked find out BC = a   ∠ A = 53.3° ∠ B = 73.0°   The summation…

Q: If I know the measures of all three angles of an oblique triangle, neither the Law of Sines nor the…

A: To determine :                          The statement makes sense or does not make sense

Q: Find the value of the missing angle (in degrees). Provide a single number as your answer. cos 0) =…

A: To find the missing angle: cos__°=cos89°cos85°-sin89°sin85°

Q: Explain why the law of sines can be used to solve a triangle if the measure of an angle is given…

A: we have to explain why the law of sines can be used to solve a triangle if the measure of an angle…

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: Consider the triangle AABC with sides a = 5 and b = 4, and ZA = 120°. Use the Law of Sines to…

A:

Q: Triangle FXY is rotated and then translated to a new location and named triangle ABC. Which of the…

A: Given  ∆FXY is rotated and translated to a new location and named ∆ABC.

Q: Suppose each edge of the cube shown in the figure is 5 inches long. Find the sine and cosine of the…

A: By the Pythagorean theorem, DG2 = DC2 + GC2.Compute the value of DG as follows.

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: snip

A: For any triangle we have to derive the formula: a=b cos C+c cos B We know sine rule, asin A=bsin…

Q: In Problem,solve each triangle using either the Law of Sines or the Law of Cosines. a = 6, b = 8, c…

A: Use law of cosine to find the angle between two sides. Let a=6 be the length of AB, b=8 be the…

Q: Use the Law of Sines to solve the triangle.

A: Law of sines is given by  asinA=bsinB=csinC Considering first two parts, and on substituting the…

Q: Given any triangle, there are two cases when the sine law can be used. Determine the scenarios when…

A: Sine Rule: Sine law can be used when two sides and one angle opposite to any of given side is given.…

Q: Solve the triangle using the Law of Sines. (Assume b and c- 8, and eC - 71°. Round the length to two…

A: from the given figure, we have b=c=8 i.e two sides of a triangle are equal thus the ∆ABC is an…

Q: How would I find an angle between 0 and 2pi that is coterminal with 11pi/4? I don’t know the best…

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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: Use a special right triangle to find the sine and cosine of a 30° angle.

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Q: What is the reference angle of Theta if Theta = -382.1 degrees?

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Q: Question 11, solve the triangle. nearest tenth

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Q: The terminal side of angle θ in standard position lands in quadrant IV. If cos(θ)=12/13, find…

A: The terminal side of an angle θ in standard position lands in quadrant IV. cosθ = 1213

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: In triangle ABC with sides a, b, and c the Law of Sines states that

A: To state the law of sines.

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

A: This question is based on Law of Cosine and sine rule.

Q: How can the unit circle help us find the exact values of trig expressions involving special angles?…

A: To show how trigonometric expressions can be found using Unit circle.

Q: ), list the parts of each triangle you can determine using the Law of Cosines.

A: Given,  Triangle RST  with  RS = 25 ; ST = 28  and  TR = 26   We have to list the parts of triangle…

Q: I need help solving all parts of the triangle please

A: Given:

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

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Q: What does it mean to solve a triangle?

A: To solve a triangle means to find the rest of the sides and the angles.

Q: How does the law of cosines generalize the Pythagorean theorem?

A: We have to show that the law of cosines generalize the Pythagorean theorem.

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

A: Given triangle,

Q: What is cos 2A, if cos 2A = 5/8, and 2A is an angle in the fourth quadrant?

A:

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: Suppose that the cosine of an an angle is negative and that you found one solution in quadrant III.…

A: Cosine value  is negative in the quadrant II and III.

Q: Use words to describe the formula for:the power-reducing formula for the cosine squared of an angle.

A: Use the identity cos 2θ=2cos2 θ-1 to find the formula for cos2 θ (the cosine squared of an angle).…