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

Q: b). <K 20 K. A 10

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Q: Find the numerical value of the indicated angles for the right triangle ABC with C being the right…

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Q: Find the values of the secant, cosecant, and cotangent of the angle A. You may assume angle C is a…

A: Here we have to use the Pythagoras theorem to find the third unknown side and using that info we can…

Q: Use the Law of Cosines to find the indicated missing information in the triangle. a' = b +c-2bcCosA…

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Q: For which triangle does the Pythagorean Theorem express the relationship between th lengths of its…

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Q: Using a reference triangle rather than a formula, differenciate y=cos-1(2x)

A: Given,          y=cos-12x

Q: The measures of the angles of a triangle are shown in the figure below. Solve for

A:

Q: A side of the triangle below has been extended to form an exterior angle of 122°. Find the value of…

A:

Q: Solve, a. Find a positive angle less than 2π that is coterminal with 16π/3. b. Find the reference…

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Q: When must you use the Law of Cosines instead of the Pythagorean Theorem? O The Law of Cosines must…

A: To check which statement is correct.

Q: 19 12 to y° 20

A: The law of cosines say that cos C=a2+b2-c22ab. Here, in the given triangle x=12,y=19 and z=20.…

Q: Part C Without using a protractor, you can determine whether the angles are right angles by…

A: Since the student has posted multiple questions and does not mention any specific question, so we…

Q: the base of the triangle.

A: Given as, To find the largest rectangle dimensions.

Q: Identify the special angles above. Give your answer in degrees  a-p: _________

A: total=360 degrees

Q: 1) Use the law of cosines to find angle "A". C b = 10 C= 15 B a = 7

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Q: In building a tent, Jada ties a rope from the top of a pole 3 meters high to a stake that is 4…

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Q: What's the answer to this? Determine the reference angle associated with the given angle. θ=−152°

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Q: Use the given information to solve the following. An hot air balloon is flying at a height of 900…

A: Here we find the distance between point under the plane and island.

Q: An object dropped from the top of the Leaning Tower of Pisa lands 17 feet from the base. 17 ft Note:…

A:

Q: A side of the triangle below has been extended to form an exterior angle of 126°. Find the value of…

A: Given : Exterior angle =126 degree

Q: A person looks up from the ground at an angle of 73o to a person on the top of the Eiffel Tower. The…

A:

Q: _7. A person at one end of a 230-foot bridge spots the river's edge directly below the opposite end…

A: The person is at the point A. Bridge = AB = 230 foot The angle of depression = m∠A = 57° We have to…

Q: Use the Law of Cosines to find the indicated angle x given in the graph x=          degrees

A: Explanation of the solution is given below...

Q: Using the triangle, what is B equal to ratio?

A: The sides of the triangle are: AB=cAC=bBC=a

Q: All changes saved 2. On a unit circle, the point (-0.954, –0.3) lies on the terminal side of an…

A: Given query is to find the cosine for the given point.

Q: A side of the triangle below has been extended to form an exterior angle of 124°. Find the value of…

A: Theorem: The exterior angle is equal to the sum of the two                opposite interior angles.

Q: use the law os sines to sovle triangle if possible  A=38.8  a=23 b=34

A:

Q: A side of the triangle below has been extended to form an exterior angle of 139°. Find the value of…

A: The outcrop formed on advancing one side of the triangle is equal to the sum of the opposite angles.…

Q: A side of the triangle below has been extended to form an exterior angle of 127°. Find the value of…

A: NOTE: Refresh your page if you can't see any equations. . here we have

Q: =Da. For the 45°-45°-90° triangle shown, suppose that AC =

A:

Q: 3. In building a tent, Jada ties a rope from the top of a pole 3 meters high to a stake that is 4…

A: As this structure form a right angled triangle and informations are given about perpendicular and…

Q: 3) Use the law of cosines to solve for angle C in the triangle with a = 12.7, 6 = 6.12, and c= 15.2.…

A: Given data :a=12.7b=6.12c=15.2

Q: 10. A child is flying a kite with a 30-ft string at an angle of elevation of 40°. Which of the…

A: Question number 10,Given,         A child is flying a kite with a 30-ft string at an angle of…

Q: 12) If you attempt to find angles of a triangle with the values of a = 3, b = 4 and c = 10. Using…

A: In given question  a=3b=4c=10   as per Triangle Inequality Theorem, the sum of two side lengths of a…

Q: B. Use the Law of Sines or the Law of Cosines to find the required part of the triangle. 1. E 2. 10…

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Q: Use the Law of Sines to complete an expression that represents the angle measure x. 21.3 35.6 71° x…

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Q: Find a solution for the equation. Assume that all angles are acute angles. sec θ= csc(θ+ 46°)

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Q: Using the Law of Sines to find a triangle with one obtuse angle if ∠A=49∘ ,a=26 ,b=29

A: According to the given information,

Q: C. Illustrate and solve. A post subtends an angle of 9° from a point on the ground 45 feet away.…

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Q: Using the law of sine or cosine,find the length of the third side of the triangle to the nearest…

A: A triangle can be solved to find the unknown elements from the given values of some elements by…

Q: Use words to describe the formula for:the cosine of double an angle. Describe one of the three…

A: Here we have to describe one of three formulas of cos2A

Q: Determine whether the statement "I noticed that for a right triangle, the Law of Cosines reduces to…

A: Law of cosinec2=a2+b2-2ab cos CPythagorean theoremc2=a2+b2

Q: Ali sees a rocket at an angle of elevation of 11°. If A located 500 meters from the rocket's…

A: We know that in right angle triangle tanθ=altitudebase…

Q: Find all of the unknown sides and angles of the triangles below using the Law of Sines. 5) 6) 55 71…

A:

Q: A side of the triangle below has been extended to form an exterior angle of 72°. Find the value of…

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Q: Which of these formulas should be used in finding angle A in an oblique triangle ABC? A. A + B = 90…

A: Which of these formulas should be used in finding angle A in an oblique triangle ABC? A. A + B = 90…

Q: Consider the triangle below. (10x + 10)° (4x-5)° (9х - 9) Determine the measure of angle A. mLA…

A: we use angle sum property

Q: Use both: the law of sines and the law of cosines: Triangle ABC. Angle C = 50 degrees, Sides: a =…

A: We will find the other side and angles.