If theta = arctan(1) and 180deg < theta < 360deg, what is cos theta?

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Q: If cos 4x = cos 6y, which of the following is correct?

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Q: 19 If x= cos 30 and y = sin 30 , then O a.-3 cot 30 O b. 3 tan 30 O C.-3 tan 30 o d.- cot 30

A: We have to find the differentiation like in the parametric form of differentiation . We have the…

Q: If cosθ=4/7 and csc θ<0, find sinθ and tanθ

A: The solution is given below:

Q: Find  sin?,cos?,???tan?sin⁡θ,cos⁡θ,andtan⁡θ  if  csc?=−2921csc⁡θ=−2921    and  cos θ < 0.

A: Given Cosecθ=2921and we have to calculate the value of sin(θ), cos(θ), tan(θ)

Q: If cos cos (3/3 + x) = 1/2, find the correct value of O 퓸 3 π

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Q: Find sin π/4, cos π/4, and tan π/4.

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Q: 5. If 270° <0 < 360° and cos 0 = , find sin . 3. 3

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Q: If y = cos*[sec2 (30)], and (6 y will be equal to? 9.

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Q: 8. If tan 03D and 0 is in QIII, what is sec 0?

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Q: 무 2. If 270° <θ< 360° and cos θ %3D 를, find sin 을. O -4 6 O -4

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Q: If sec theta = 3 with  theta in QIV, find cos theta, sin theta, and tan theta

A: Given that secθ=3 And θ is in fourth quadrant

Q: Given that (1-cos(Theta))/2=0.7, find sin^2(THETA/2)

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Q: If sin © = cos 23°, O = ?

A: Given: sinθ=cos23° To find: θ = ?

Q: A, = AP, cos (lot + 20) Az=APz sin (lot - 40) when A, lagS A, by 210, since A, may be written as :-…

A: If, X=B1sinωt and Y=B2sinωt-θ, then, it can be said that Y lags X by an angle θ .

Q: If you are given the value of cosθ and want the exact value of cos(2θ), what form of the…

A: We have given the value of cosθ   We want the exact value of cos(2θ)   We have to tell what form…

Q: To further justify the Cofunction Theorem introduced in theprevious section, use a calculator to…

A: Evaluate: sin(24.3∘) and cos(65.7∘) The given pair sin(24.3∘) and cos(65.7∘) is cofunction of one…

Q: How can there be three forms of the double-angle formula for cos 20?

A: Three forms of the double angle formula for cos 2θ.

Q: if sinθ= 2/√5, and θ terminates in QII, find cosθ.

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Q: Use a special right triangle to express cos 45 as a fraction or as a decimal to the nearest…

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Q: If cos x = and sI< 27, then tan 2x %3D

A: Given,           cosx=45 , 3π2≤x≤2π.

Q: If sin (B) = -1/3 with B in QIII, find csc (B/2). %3D

A: We have to solve the problem

Q: 36. If cos(30+y)-- A) B) which would be sin(30-y)? C) pr D)

A: Topic:- trigonometry Note:- as per our guideline if more than one question uploaded than only first…

Q: If the sin 30⁰ is 1/2, then the cos ____⁰=_____.

A: Use the property of sin(90°-thetha)=cos(thetha)

Q: If sec⁡ x=3/2, and 270°<x<360°, what is cos (x/2)?

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Q: If csc(x) = 8, for 90° < z < 180°, then sin) Cos tan ||

A: we have been given cosec(x)=8 and x  lies in 2nd quadrant where cos is negative  therefore,  csc…

Q: If w=f(a,b,c)=cos(ab)sin(b)+c, what is at ( -,6

A: Given function and point is  w=f(a,b,c)=cos(ab)sin(b)+c and 12,π3,6

Q: 0≤θ<2π, , solve 2tanθ+sinθcosθ=0.

A: 2tanθ +sinθ.cosθ =0, θ : 0⩽ θ &lt; 2π ⇒let alternate forms, ∴2tanθ + sinθ.cosθ=0∴2sinθcosθ+…

Q: If 6sin theta=5 and cos theta < 0,find ,without a calculate the value of 1-2cos2 theta

A: Given:  To Find: Value of  Concept Used:

Q: If cos t =-,what is cos 2t ? 4 |

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Q: If tan θ= (√2)/5 and π (greater than) θ (greater than) 3 π/2, find the exact value of cos 2 θ

A: We have to solve the trigonometry question

Q: If csc(x) = 6, for 90° < z < 180°, then sin Cos tan 2 || 비2

A: Given,       cscx=6, for 90°&lt;x&lt;180°

Q: iven that (1-cos(theta))/2=0.7, find csc^2(theta/2)

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Q: If cos a = 0.565 and cos ß= 0.867 (both angles are acute),

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Q: If cos θ = 3/4, what is cos2θ?

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Q: - Find the value of each of the following: 4T Cos 3 sin(-30°) , ,sec(165°)

A: as per our guidelines, i can answer only one equation with three subparts. To know rest, please re…

Q: If sin 0 3 with cos 0 < 0 , find: tan 0 Uint, l+ may cow the

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Q: If it is known that sin 0: and n<0 < find the exact value of cos(20). -

A: Consider the given value. sinθ=-13 The angle lies between third quadrant and the cosine function…

Q: 4. If v3cot0 = 2cos0, then evaluate sin?0 – cos20 |- %3D

A: See the details solution below

Q: If sec(α)=25.2/19.4, then what is the value of cos(α)?

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Q: If 5 tan 0 12 with 90° < 0 < 180° , find: cos O

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Q: If sin 0 = 5, find cos 0 and sec 0.

A: Given that sinθ=725. Then opposite =7 and hypotenuse = 25. Obtain the adjacent side.…

Q: Find sin(2θ), if cosθ=24/25 and θ lies inquadrant IV.

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Q: Given that (1-cos(theta))/2=0.7, find cos^2(theta/2)

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Q: If cos 0 = and 0 is acute, then cos 20 is

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Q: if cos theta = x/2, then 1+that2 theta is equals to?

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Q: If csc² A 5 what is the value of 2' 1- cos? A?

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Q: What is the exact value of sin(67.5°)cos(22.5°)?

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Q: f cos 9 alpha = sina and 9 alpha < 900 , then the value of tan5 alpha is

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