What is the value of cos 0 if P(-5, 12) is on the terminal side of an angle 0 in standard position? 17 13 12 13 12 17

Q: Use the given conditions to find the exact values of  sin(2u),cos(2u),and tan(2u)  using the…

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Q: Use the Half-angle Formulas to find the exact value of the expression cos 112.5°. cos 112.5° = %3D

A: value =?

Q: If tanθ=1/2, −π/2<θ<π/2, then sinθ=?

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Q: In Exercises 39–42, use double- and half-angle formulas to find the exact value of each expression.…

A: Given: 39.cos215°-sin215°

Q: 4. An angle 0 drawn in standard position terminates in the second quadrant. If sin 0 = -, then which…

A: Here we have, and is lies on second quadrant.

Q: 5. If a,ß are acute angles such that 4 cos a 8 and tan ß =, find cos(a-ß) 15 () and sin

A: The detailed solution is given below Thank you

Q: 2. Which set of primary trigonometric ratios is correct for the angle 225°? a. sin 225° = 1 cos 225°…

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Q: _ [6 ( cos 120° + i sin 120°) ] _ cos 30° + i sin 30°)] [2(cos _(cos________+ i sin____________)

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Q: (1 Point) Sin? 4 A + Cos 4 A = -

A: Given: Sin24A+cos24A=

Q: 3, Angle 0 is obtuse. cos 20 - Determine the exact value of cos CoS %3D

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Q: If the terminal side of B contains the point (6, 8), what is the exact value of sin (ß – )? 10 7/2…

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Q: Which angle is used to find cos(11pie/12) using a half angle formula

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Q: Let a be the shorter leg of a 30°-60°-90 triangle. 60 2a 30 sin 60° = sec 60° = Cos 60° = CSC 60°=…

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Q: If the angles are represented in degrees, find both angles: cos(7x +8) = sin(14x - 2) Angle 1: Angle…

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Q: If the terminal side of 6 contains the point (6, 8), what is the exact value of sin (8 – )? 7/2 10…

A: We know that if the point in the angle's terminal side is P=(x,y) then sin(bita)=y/r and…

Q: In Exercises 15-22, write each expression as the sine, cosine, or tangent of a double angle. Then…

A: “Since you have posted multiple questions, we will solve first question for you. To get remaining…

Q: If sec(θ)=5/3, 0≤θ≤90 then sin(θ) equals? cos(θ) equals? tan(θ) equal

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Q: The terminal side of an angle e in standard position contains the point (5, 17). Select all of the…

A: Given that,The terminal side of an angle θ in standard position contains the point (5,17).First we…

Q: What is the exact value of sin (157.5°) using the half-angle identities? O v2-V2 O 2+v2 2-V2

A: We have to find the value of sin157.5°

Q: What is cos A, if cos 2A = 2, and 2A is an angle in the fourth quadrant? 16 13 13 16 no correct…

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Q: What are the solutions to the trigonometric equation on the interval [0, 27)? 2cos? x = cos x Select…

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Q: Assume that θ is a positive acute angle. Given: cos⁡θ=4553 Find: cos⁡2θ

A: Given: cosθ=0.4553. θ is a positive acute angle. The objective is to find the value of cos2θ.

Q: A. sinO cos (90 – 0) B. sin 25° sin 65° C. cos 16° = 90 – sin 16°

A: a) We know that sinθ=cos90∘-θ So, the option a is correct. b) We know that sinθ=cos90∘-θ…

Q: Use double- and half-angle formulas to find the exact value of the expression.

A: Let the given expression be y - y = 2tan5π121-tan25π12Now,let,  x = 5π12Then,y = 2tanx1-tan2xUsing…

Q: . Find the exact value of sin 15°.Hint: 15° = 45° - 30°

A: To find the value of: sin150 Solution: We know, sin(A-B)=sinAcosB-cosAsinB     ..(1)sin45o=cos450=22…

Q: 10. Use a half angle formula to determine the exact value of tan 12

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Q: Use the trigonometric values of special angles to simplify the following. 1. cos 60°+sec 60° 2. sin…

A: see below the answer As per bertleby guideline I have to solve only first question. So repost the…

Q: considering only the values of θ for which sec^2θcos(2θ) is defined, sec^2θcos(2θ)= ?

A: SecA=1/cosA Cos2A=2cos2A-1

Q: Use the isosceles right triangle and the 30°-60°-90° triangle to complete the table. Give the exact…

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Q: cos 등 O sin O sin cos 꽃

A: cosπ3

Q: Suppose 0 is an angle in the standard position whose terminal side Quadrant IV and cot e=-…

A: Correct answer is option 2,and the explaination follow as:

Q: 29. If the terminal side of an angle 0 in standard position passes through the point (-8, 6), then…

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Q: 4

A: Recall the following double angle formulas:

Q: Given that u = sin-1 12 /13 , evaluate cos u, tan u, cot u, sec u, and csc u.

A: given that  u=sin-11213

Q: Determine whether the positive or negative square root should be selected. 1+ cos 45° cos 22.5° = ±…

A: topic- trigonometric functions

Q: The terminal side of an angle e in standard position contains the point (3, 12). Select all of the…

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Q: 15.(C) Does cos 60° = 1/2 mean that the side adjacent to the 60° angle measures 1 unit and the…

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Q: Find cos o. (8, 6) ? COS O ニ Give your answer in lowest terms.

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Q: If tane = , then sine 13 12 13 12 5 13 5.

A: Given; tan(thetha) = 5/12

Q: 2. Which is the equivalent reciprocal of cot 75°? cos 75° O tan 75° cos 75° tan 75°

A: Given that cot75°solution : we know that tanθcotθ=1cotθ=1tanθso,cot75°=1tan75°

Q: The angle 0 is in standard position, passing through the point (6, -8). What is the value of cos 0?…

A: Given: a=6,b=-8

Q: Let cos 6 and O is in QI. What is the value of cos(20)? 3 1 9. 9. 4 - 4/9

A: Given; Cos(theta)=2/3.

Q: 15. 2 cos? 105° – 1 2 tan 165° 17. 1 – tan? 165° - TT 19. 1 – 2 sin? 8

A: Use double angle identity

Q: 1. Find the value of the two missing sides. Then find sin 37°, cos 53°, tan 53°.

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Q: Use the given conditions to find the exact values of sin(2u),cos(2u),and tan(2u)using the…

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Q: A. llustrate then find the values of sin 8, cos 8, and tan 8 and write your answer in 2 decimal…

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Q: 6. Find sin, given that cos x = =and Зл 37 < x < 2 2 x < 27. Draw the angle in the coordinate plane…

A: This question can be solved using the concept of half angles.

Q: If cos 20 cos 40 + sin 20 sin 40 and 20 is in QIV 8 then cot 20. is equal to -5 39 V39 V39 V39

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Q: Use the Half-Angle Formula to determine cos(105°)

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