1. Find an angle a in the fourth quadrant such that cos a = 0.4 A) 116.4° B) 66.42° C) 285.4° D) 293.58° 2. If sec e = 0.25 then cos e is equal to: A) 2 B); D) C) 4

Q: 1) Use the given right triangle to find cos A. 1) 12 A 16 C 4 A) cos A = 3 3 B) cos A = 3. C) cos A…

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Q: If r =300 3.) Find the direct cosine of r 4.) Find the three angles of r in radians

A: We will use spherical co-ordinates to define the point A and then calculate the required values.

Q: Explain how the cosine law can be used to find the measure of angle P. (The figure screenshot has…

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Q: 3. Find the degree measure of the angle given in radians, and draw the angle in standard position.…

A: Here we have to find the degree measure of angle given in radians.

Q: 2. In AABC, 2C is a right angle, b = 3.4 and c = 4.5. Find a. the length of the third side of the…

A: see below the answer and calculation

Q: 9) Use the given right triangle to find cos A. B 6. A 4 A) cos A 3. 3. C) cos A = = 4 %3D B) cos A…

A: Given right angle triangle

Q: B 13 12 A b (a) Determine the length of side b. (b) Determine the value of cse(B). (c) Determine the…

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Q: 20) Draw a picture, then solve using trigonometric functions. A ladder, 500 cm long, leans against a…

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Q: Using the definition of each coordinate direction angle, prove that cos? a + cos? ß + cos? y = 1 A…

A: Labeling the given figure Direction cosines are the cosine of angles made by unit vectors and the…

Q: Determine the measure of 0 in AABC A 105° 15.5 cm 20.5 cm

A: Note: - Since you have asked multiple questions, we will solve the first question for you. If you…

Q: 25) C 7.7 14 Find the measure of 0. (to the nearest tenth) ) A) 28.8° B) 33.4° C) 61.2° D) 63.4°

A: θ = ?

Q: 2. In acute AWIN, W = 50°, i = 6 cm, and n = 5.8°. a) Draw and label the AWIN with the information…

A: Here we want to solve the given triangle. The given triangle is not a right angled triangle so to…

Q: 4. Calculate each unknown angle to the nearest degree and each unknown K length to the nearest tenth…

A: Since you have asked multiple questions in a single request, we would be answering only the first…

Q: The legs of an isosceles triangle have length 4 and the base angles have measure 65. If sin 65° =…

A: We have an isosceles triangle whose the length of two equal sides is 4 units and the base angles are…

Q: Use the law of cosines to find the angle of the triangle based off the sides listed below for…

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Q: 8. A man standing 20 ft away from the foot of a tower looks at the top with an angle of elevation of…

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Q: Find the angle that is complementary to u.

A: (a) We get the complimentary angle as 90°-5°17'34"=84°43'26"

Q: Use cosine to find the value of x to the nearest tenth. 43. 44. 45. 9.5 57° 31° 63° 12 15 Choices…

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Q: A 6x° C 30° В AACD = AACB 1a) x = %3D 1b) Angle DAC = %3D

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Q: To determine the length of side b. What trigonometric function must be used. A.)tangent, B.)sine,…

A: Explanation of the answer is as follows

Q: Find the sine, cosine, tangent cosecant, secant, and contangent.

A: Given,

Q: 2) Find the exact value of sin 15° = sin ( -) Find two unit circle angles that subtract to 15 30°,…

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Q: Find each measurement indicated. Apply Law of Sines 7) Find AB 89° 61° A 32 ft A) 28 ft C) 29 ft B)…

A: Find your answer below