If sin 15° = vA – VB, then, by using a half-angle formula, find

Q: Use the given conditions. sin(u) =5/13, pi/2< u < π (b) Find the exact values of  sin(u/2),…

A: The given trigonometric value is

Q: If cos 22.5° = VA+ VB, then, by using a half-angle formula, find

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Q: If cos 7A = sin (A-60) , where 7A is an acute angle ,  Find the value of A

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Q: Use the given conditions tan u = −5/12, 3π/2 < u < 2π to (a) determine the quadrant in which…

A: Given tanu =-5/12 , 3pi/2<u<2pi.   To determine sin(u/2) , cos(u/2) and tan(u/2)

Q: If sin  B  = -1/3 with A ,find the following  cot B/2

A: Given that sinB=-1/3 We need to find cot(B/2) First let us find the value of B sinB=-1/3…

Q: When using the half-angle formula for sin (A/2) or cos (A/2), the sign in front of theradical is…

A: When using the half-angle formula for sin (A/2) or cos (A/2), the sign in front of theradical is…

Q: For an acute angle θ, the equation sin(θ) = cos(84) is true. What is the value of θ?

A: The equation is given by sinθ = cos84° Where θ is an acute angle To evaluate : The value of θ

Q: Suppose that is an angle in quadrant 4 and that cos y 7 Compute the exact value of cos «(금). 25 cos

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Q: If csc(a) = 3, where 0 < a < and B is a Quadrant IV angle with tan(B) = - 4, find (a) cos(a + B) (b)…

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Q: If the angle e is in standard position and P(x, y) is a point on the terminal side of 0, and ris the…

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Q: If tan = VA – B, then, by using a half-angle formula, find 8. A = В - %3D

A: Explained below

Q: If cos t = and t is in the 3rd quadrant, then sin t =

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Q: If cos 22.5° A+ VB, then, by using a half-angle formula, find A = |

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Q: If sin 12 1 A – VB, then, by using a half-angle formula, find 2 A В -

A: We know that the half range formula is sinθ2=1-cosθ2. Here, θ=π6.

Q: Find the value of A

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Q: Find sin 8, cos 0, and tan 0 for the angle = -135°.

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Q: Find the exact value by using a half-angle identity. sin 75° ① 专业 這次難 這次的

A: We will solve the required.

Q: Given that cos 0 terminates in quadrant I, then what is the 40 41 A and that angle 0 value of sin 0?

A: See the answer below

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

A: Given,          cosu=-1517 ,  π2&lt;u&lt;π

Q: Given that θ is an acute angle and cos θ = 7/25, find: a) tan θ b) sin θ c) sec θ

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Q: If sin =VA – VB, then, by using a half-angle formula, find

A: Here, the given expression is: sinπ12=12A-B

Q: For an acute angle 0 , the equation sin (0) = cos (6) is true. What is the value of 0 ?

A: If both the angles x and y are acute then    sin x=cos y⇒sin x =sin 90°-y⇒x=90°-y⇒x+y=90°For an…

Q: Given that the point (180, -19) is on the terminal side of an angle, 0, find the exact value of the…

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Q: If cos7A = sin(A-60) where 7A is an acute angle , Find the value of A

A: Solution Given cos 7A = sin ( A - 6⁰ ) sin ( 90⁰ - 7A )= sin ( A - 6⁰ ) Since ( 90⁰ - 7A ) and  ( A…

Q: cos ? = 35

A: there is an error in the question. the value of cos? is lying between[-1,1] but in these cases the…

Q: If sin a (a) = 0.633 and sin B = 0.861 with both angles' terminal rays in Quadrant-l, find the…

A: step1:we have given thatsin α=0.633sin β=0.861we know thatsin2 α+cos2 α=1⇒cos2 α=1-sin2 α⇒cos2…

Q: Find the exact value using half-angle formulas. 7 cos(7π/8)

A: Recall the following facts.

Q: Given that sin(0) 0, in which quadrant does e lie?

A: Given : sinθ&lt;0 and cotθ&gt;0

Q: Given that A is obtuse and B is reflex angles and sin A=12/13 and cosB=3/5 without using…

A: Trigonometry

Q: Given that cos O 45 and that angle 0 terminates in quadrant II, then what is the - 53 value of sin…

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Q: Given that the point (6, -8) is on the terminal side of an angle, 0, find the exact value of the…

A: (6,-8) is a point in forth quadrant. Only cosine and secent are positive.

Q: If cos 22.5° VA+ VB, then, by using a half-angle formula, find

A: We will evaluate the co(22.5°) by using half life formula as shown below

Q: If cos 0 0, what Quadrant is P(0) located?

A:

Q: In the following diagram, angle 6 is in standard position. In each case, find sin 8, cos 0, and tan…

A: You know that in a right-angled triangle:

Q: Question in image.

A: We have to find the value of cos(α + β) when sinα and tanβ are known.

Q: In a right triangle with acute angles of measures a and ß, cos B = %. Find the following values in…

A: Given: cosβ=ac

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: in a right triangle cos(b)=1/2, what is the value of sin(a)

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Q: If θ is an acute angle and cos θ = 1/3, find csc (π/2 - θ).

A: It is given that,cos θ = 1/3 We have to find  csc (π/2 - θ).

Q: given that sin A=1/ square root of 82 and cos B=1/square root of 2, and that angles A and B are both…

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Q: If cos 0 V2 and the reference angle of 0 2 is 45°, find both angles in degrees from 0° < 0 < 360°…

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Q: If tan a=7/2 then which of the following is closest to the measure of angle a?

A: Given: tan a=72⇒a=tan-172        ≈74°054'

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. co()

A:

Q: If sin a = 17 and cos B =- for a second-quadrant angle a and a third-quadrant angle B, find the 13…

A: Given :  sinα=817 cosβ=-513 We have to find out the value of sinα+β.  We know that…

Q: If tan VA – B, then, by using a half-angle formula, find A = B = %3D

A: Here there are two terms at the numerator so using  this formula   where, α=π4

Q: ) * a) Complete each equation. sin 0 = cos 0 = 大 tan 0 = k b) If k = 9.4 and f = 12.7, what is the…

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Q: For an acute angle 0, given the equation sin(0) = cos( 38 ) What is the value of 0?

A: sin(90-θ) = cosθ

Q: Given that cos ( θ ) = 3 square root 10 / 10, and θ is in quadrant IV, what is sin ( θ ) ?

A: Given :        cos(θ) = 31010 and θ is in quadrant IV   To find :     sinθ

Q: If cos 22.5° VA + VB, then, by using a half-angle formula, find A = %3| B =

A: