3 Reference angle Sin Sin 4 sq2 Reference angle Cos360°= Cos Reference angle Sin Sin 21 o add speaker notes ||

Q: 7. Given that tan (A) = and angle A is in 3rd quadrant and cos(B) = – - and %3D 13 angle B is in 2th…

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Q: Given: cosA= 24,cotA>0; cosB= 4,tanB>0 25 5 Find: (12) sin(A±B) (13) cos(A±B) (14) tan(A±B)

A: The given information is incorrect so the question can not be solved.

Q: 4. Which is equal to cos? O sin O COS 2π 3

A: Given :cosπ3

Q: Approximate to four decimal places, when appropriate.

A: Approximate to four decimal places, when appropriate. a) sin 45°b) sin 45c) cos3π/2°d)cos3π/2

Q: Help me solve

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Q: 2. (a) The 4th term of an A.P is 15. The sum of the first three terms is 9. Find the first term and…

A: (a)  Given: The 4th term of an A.P is 15. The sum of the first three terms is 9. To find: The first…

Q: 11. What does the expression (cot 0)(sin ) (sec 0) simplify to? a. cos e b. tan e c. 1 d. sin e c. 1

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Q: 12. Find tan(2r) if tan(x) = 2 (hint: use a double angle formula). ii) -3 iii) iv) not listed i) 4

A: We know that,  tan(2x)=2 tan(x)1-tan2(x) Given that, tanx=2 tan2x=221-22 tan2x=4-3

Q: II. Use trig identities to find the ratio. 3. If cos(0) = -0.8, what is cos(-0)? 5. If cos 0 =, find…

A: to find3. cosθ=-0.8,    cos(-θ)=?4. cosθ=513,      cscπ2-θ=?5. sec(-θ)=11.75,    -sec(θ)=?6.…

Q: If sin 0 0.49 then, find the value of cos 0 ? O is in the first quadrant. yall ylI SI Write the…

A: Find cos theta

Q: 19 25 (a) Part A Which trig ratio would you use to solve for the missing angle measure? 3 A) Cos 25…

A: The objective of the question is choose the correct option and determine the value of angle of the…

Q: 2 1-cos 2z Is equivalent to: O cos? x O sin? O sec? x csc2 x

A: Solve  2/1-cos2x

Q: sin z If sin a+cos r tan z A+tan r ;, what is the value of 2.A?? O 0.5 no correct answer O 2

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Q: 20. If sin A + sin B = 1 , then sin A – sin B = ? ANd If cot x = v2 +1, then tan x =? 21. If cot(0 –…

A: Trigonometric equations are equations that have trigonometric ratios each of which has unknown…

Q: If sin 0 -; P(0) e QIII; what is the value of sin(20) ? 4/2 - 2/2 9. O 4/2

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Q: T- 31 TC TC cose sin 2 .2 sec 4 COS Cos - - (3) Find the value of TC + cot 3 TT tan - - 3.

A: Given: cosθsin(π2)cos2(π6)sec2(π4)tan(π3)+cot(π3)=?

Q: sin? e 4. If possible, algebraically verify = 1- cos 0 in a different way. Show all your steps. If…

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Q: 30. cus 70 + i sin 70= A 7(cos 0 + i sin 0) B 7(cos 0 - i sin 6) C ( cos 0 + i sin O? D cos 20 cos…

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Q: 12. Use a calculator to find values of y in degrees. a. cos (.5) b. sec (-2.46) c. tan (-45.543) COS…

A: Given, Part (a):

Q: sin 0 Which expression is equivalent to (sec 0) tan 0 a) cos? 0 – sin? e b) sin? e – cos? e c) cot?…

A:

Q: Given: sin A = and cos x = - 12; evaluate the following expression. %3D (8: Quadrant I, x : Quadrant…

A: We can find the answer as below.

Q: please show work, thank you

A: Given θ=135° and β=7π3

Q: \40° 10 In the right triangle shown, find x. 10 A) cos(40) cos(40°) 10 B) 10 C) sin(40) sin(40) D)…

A: To find the value of side x

Q: 1. a) Tan(x) = - and x is in the second quadrant, then find Sec(x), %3D Cos(x), Sin(x), Cot(x) and…

A: Trigonometry

Q: The Pythagorean Identity states that: (sin x)2 + (cos x)2 = 1 %3D Given cos 0 = , find sin 0. 3 sin…

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Q: -2 Зл a/ Given tan x = 3 <x< 2n, find the values of sin x, cos x, cosec x 5 where 13 37 4 b/ If sin…

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Q: tanc = 1/3 where  pi<c<3pi/2   what quadrant is 2c on?

A: Given tanC = 1/3  where  π&lt;C&lt;3π/2 To find the quadrant in which 2C lies

Q: 4.3 Right Triangle Trigonom 46. cot a sin a = cos a 48. (1 + cos 0)(1 cos 0) = sin? e %3D tan B +…

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Q: 1) State the values of sin A, cos A, and tan A. 2) Using the diagram below, find sec B, csc B, and…

A: Explanation of the answer is as follows

Q: d)(cos 30+isin 30)(cos 60-i sin 60) iuiu 20) (cos e +isin 0)

A:

Q: 5 If sin 0 =- 6:0<e<5, find the exact value of each of the following. (a) sin (20) (b) cos (20) (c)…

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Q: = Homework: 7.2 Homework Find the exact value of sin 20, cos 20, tan 20, and the quadrant in which…

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Q: 3. The value of sin() is √2-√3. Is this value exact or approximate? Explain your answer. T BU Font…

A:

Q: 11.) / sin? 0 + cos? 0 do cos 0

A: The objective is to evaluate the integration.

Q: 3 2. Given angle: 4 Coordinates cos 0 = sin 0=

A: I am attaching image so that you understand each and every step.

Q: Directions: Give each tig ratio as a fraction In simplest form. 1. • Sin Q = 14 50 • Cos Q = Tan 0 =…

A: Please rate and feel free to ask any query about any part,

Q: If Cos o = - 5 and e lies in the second quadrant, 12 then what is the valve of cot o! う Nila 119 - 5…

A: According to question,Given,cos θ = -512,θ lies in second quadrant.

Q: 30. cus 70 + i sin 70 A 7(cos 0 + i sin 0) B 7(cos 0 – i sin 6) C ( cos 0 + i sin 0 D cos 20 cos 50…

A:

Q: 25 14 Part A Which trig ratio would you use to solve for the missing angle measure? 3 Cos 25 25 B…

A: Use trigonometric ratio

Q: 3 cos? A+2 sin² A If 5cotA = 4, then 7 sin A cos A

A:

Q: sin?B sin B 1+cos B Which expression is equivalent to for all values of B for which is defined?…

A: The expression given in question is defined at β = pi/2; therefore our expression gives value  = 1…

Q: 11 x° = Sin( OPEN ENDED QUESTION 8. x° = Sin ( 11 What is the m<A? x° = 46.7° (Write your answer to…

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Q: 7) Which letter is correct? * MULTIPLE CHOICE In APQR, which expression can be used to find PQ? A 10…

A:

Q: Simplify: sec 0+ sin 0 1+sin 0 cos 0 a. Cos 0 1+sin? 0 cos2 0 b. cos? 0 1+cos? 0 с. cos? 0 d. sin 0

A:

Q: The Pythagorean Identity states that: (sin x)2 + (cos x)2 = 1 %3D Given sin 0 = , find cos 0. %3D 10…

A:

Q: number (cos 0 +i sin 0)Sis equal to Cong 05 a51icin 05)

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Q: 6. Use the triangle to find sin(20), cos(20), sin(), cos 7. Write the exact answer for cos (2) si…

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Q: 1-sin? x The expression + 2 cos² x is equivalent to cot2 x 01+ sin? O sin x 01+ cos? x cos4 COS ,2…

A: We have to solve the expression  1-sin2xcot2x + 2 cos2x.