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

Q: A right triangle is shown below. Which expression represents the value of sin O?

A: Sin θ = PerpendicularHypotenuse             Sin θ= xy

Q: The subject is Pre-Calculus, not Calculus. Explain whether you should use the law of sines, the law…

A: We know, The sine rule is used when we are given either a) two angles and one side, or b) two sides…

Q: State the Law of Sines.

A:

Q: Write sin(275°) in terms of the sine of a positive acute angle. Provide your answer below:

A:

Q: Illustrate the Law of Cosines?

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

Q: Determine if the statement is true or false. The sine of twice an angle equals twice the sine of the…

A: Given: sin2θ=2sinθ we know that sin2x=2sinxcosx

Q: Solve the triangle, make sure to use the law of Sines and/or the Law of Cosines

A: Given : A = 48°, B = 67°, a = 12. The sum of all angle of triangle = 180° ∠A+∠B+∠C = 180° 48°+67°+∠C…

Q: Explain whether you should use the law of sines, the law of cosines, or neither to begin finding the…

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Q: HE

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

Q: 6,46 5.34 3.42

A: According to question we have a triangle and we have to finding the Missing measurement as all side…

Q: If you are given two sides of a triangle and their included angle, you can find the triangle’s area.…

A: let's two sides of a triangle are a,b and angle included by them is C then area∆ of triangle is…

Q: Use the law of cosines to find cos/POQ. You MUST use the law of cosines;

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: Write the law of sines.

A:

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: Determine whether the statement "The Law of Cosines is similar to the Law of Sines, with all the…

A: "The Law of Cosines is similar to the Law of Sines, with all the sines replaced with cosines." The…

Q: State the Law of Cosines.

A:

Q: Triangle A 4.96 P97.03 mi

A: In case of SAS, we use law of cosine

Q: If you are given a point on the terminal side of angle 6, explain how to find sin 6.

A: Consider the provided information, Let we have a point x,y.

Q: A tree casts a 25-foot shadow on a sunny day, as shown in the diagram below. Checklist Label…

A: Given: A tree casts a shadow of 25 foot and the angle of elevation from the tip of shadow to the top…

Q: The Law of Cosines is similar to the Law of Sines, with all the sines replaced with cosines…

A: The Law of Cosines is similar to the Law of Sines, with all the sines replaced with cosines.

Q: Determine whether the statement "If I know the measures of all three angles of an oblique triangle,…

A: Concept: The calculus helps in understanding the changes between values that are related by a…

Q: Write the equation of the Law of Cosines?

A: We have to write the law of cosine

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

A:

Q: 1. The angle of depression from the top of a 25- foot-tall building to the base of a monument is…

A:

Q: sin?

A:

Q: how do i find the radius of 49 pi?

A:

Q: In right triangle, ABC, given a = 8, b = 6, C = 90°. Find the values of the sine, cosine, and…

A: Given that in right triangle, ABC, a = 8, b = 6, C = 90° which shows that given triangle is angle…

Q: Write sin(275°) in terms of the sine of a positive acute angle. Provide your answer below: sin()

A: In the  IVth quadrant sin(θ) is negative:   Acute angle: it is an angle whose measure is less than…

Q: Find an angle θ with 0 degrees < θ < 360 degrees that has the same: Sine function value as…

A: Explanation of the answer is as follows

Q: If sine , then what are the other five trig ratios?

A: So in this we have to use fundamental trigonometry identify so I'm providing hand written solution…

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 do you find the triangle sides using the law of sines, if the angles are alpha 72 deg, beta 43…

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Q: I used a half-angle formula to find the exact value of cos 100°.Determine whether the statement…

A: Given:cos 100°

Q: Find the sine and cosine of the acute angles in the right triangle.

A: The measure of one angle = 90° in a right triangle.Also in a triangle, the sum of measures of all…

Q: How to solve this triangle ?️

A: The given triangle is as shown below :

Q: Find sine, cosine, and tanget of the angle -135°

A: Given angle is -135°

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: How do you convert the angles in radians to degrees.

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Q: A 5.00” sine bar is elevated 1.25”. Calculate the angle in the form of (Degree Minute Second).

A: Given: The stack or elevated height = 1.25" The sine bar length                = 5.00" To find the…

Q: Find the missing side using sine SOH

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

Q: 2) Determine whether Law of Sines or w of Cosines should be used to begin solving the triangle. a)…

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Q: What

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

Q: Rewrite in terms of sines and cosines:

A:

Q: If the sine of an angle is 17' 8 what is the cosine of the angle's complement?

A: Two angles are said to be compliment angles if they add up to 90 degrees. Let x be the given angle,…