15 cos( Arcsin 17 (뉴) + Arccot 40 is equal to... -435/308 O -528/697 O 528/697 435/308

Q: in−1(x) + cos−1(x) =  ? 2

A: Given that : The equation is sin-1 (x) + cos-1 (x) = π2 .

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

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Q: OR = {(r, 0): 0 <r< 6 cos(30), 0 < 0 < n}

A: Follow the procedure given below.

Q: 2 v sec 2 1+ cos 0°

A: We have to find the identity

Q: between 0° and 360°. z, = cos 100° + i sin 100° Z2 = cos 230° + i sin 230° %3D Choose the correct…

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Q: Find the value of cos 1° + cos 3° + Cos 5° +... + cos 177° + cos 179°

A: We can solve this as follows:

Q: 3 Evaluate: cos Arcsin ) - Arccos (-I COS 2 O Võ+v2 4 O -V6+v2 4 O v6-V2 4 O -V6-v2 4

A: The given expression is cosArcsin22+Arccos-32. We have to find out value of the given expression.…

Q: Prove : (1 - cos E)(1 + cos €)(1 + cot²0) = 1 %3D

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Q: A = %3D (b) If cos (2a) – sin (2æ) = cos( %3D B =

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Q: Find cos a and cos B for right AABC in Figure 11.16. 13 5 A b LO

A: Our Aim is to find cos α and cos β for right ∆ABC given below:-

Q: Prove the following: 1+2sin cos sino + cose = sin 0+ cos 0

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Q: sec 30°cos 60° =

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Q: IF Z= Cos o+isin@ prove i tan %3D 2. 1ナて

A: we use Trigonometry identities to solve this Question

Q: -57 If 0 -, then 6. sin(0) = %3D cos(0) = %3D

A: θ=-5π6 find the value of  sin(θ) sinθ=sin-5π6 sinθ=-sin5π6 sinθ=12

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

A:

Q: Assume that 0 ≤ θ &lt; π/2.

A: Given that

Q: 2. Express cos(60) in terms of powers of cos only.

A:

Q: Compute the exact value of cos(-7π/8). Show work

A: Given function cos-7π8 We know that cos-θ=cosθ cos7π8 cosπ-π8-cosπ8 Now using half angle formula…

Q: 31. (cos 40 + i sin 48)²(cos 30 + i sin 30) = A cos 50 + i sin 50 B cos 110 +i sin 110 C_ cos 30 + i…

A: cos4θ+isin4∅2cos3θ+isin3θ= formula used- CosACosB-SinASinB=Cos(A+B)SinACosB+CosASinB=Sin(A+B)i2=-1

Q: 1. Which is equal to cos ? cos O sin * O sin O Cos 품 27 COS

A: topic - trigonometric ratios

Q: The entrance of Angel Stadium in Anaheim is cemposed of baseball bats configured in various right…

A: Given∠DCE =34°CD =47

Q: M= sen 50° · cos 10° - sen 25° cos 35° sen 12,5 °. cos 12,5°

A:

Q: Which of the following correctly expresses 2sin(2β)cos(4β) as a sum?

A: Question is solved.

Q: 3. In (cos)

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Q: Show that os (2 tan~ r) COs

A: We have to prove that cos(2tan-1x)=1-x21+x2.

Q: suppose that 2cos^2 x + 4sin x cos x = asin2x + c is an IDENTITY, determine the values of a, b and c

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Q: 15. Restate r= 5 cos 0 in rectangular form.

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

A: Solve the following

Q: Express as a sum.(cos au)(cos bu)

A: Given : (cos au)(cos bu)

Q: snip

A: cos1°+cos2°+cos3°+---+cos358°+cos359°

Q: 1 In right triangle ABC, mZA = 30° and mZB = 90°. Which of the following are true? I. sin(A) =…

A:

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

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Q: Prove that cos 20/sin20=2cos20 |

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Q: 7. Evaluate Arc cos(j2).

A: It is principal value.

Q: 10 of 25 What is the exact value of cos ZQPR

A: In this question we will use basic of calculus i.e concept of cosine rule. We will write the formula…

Q: cot2 B − cos2 B / csc2 B − 1  = cos2 B

A: Given: cot2 B - cos2 Bcsc2B -1=cos2 B To prove: The above identity is true.

Q: Which of the following is equivalent to cos (60° + 0 + sin(30° + 0)? cos 8 +V3 stn 0 cos e Option 1…

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Q: Suppose a cell is suspended in a solution cor

A: Suppose a cell is suspended in a solution containing a solute of constant concentration Cs. Suppose…

Q: Express as a sum or difference.2 sin 9 θ cos 3 θ

A: Given,           2sin9θcos3θ

Q: Find the exact value of cos105° using a half-angle formula. Show all work.

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Q: Use the addition formula to prove                                                             cos 3θ…

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Q: By sum or difference identity, the exact value of cos 105° is: 2 + 6 V2 - V6 4 + 4 4 V3+ V6 4 2.

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Q: If z = os0+ I sin 0 and y= cos Isin p, then show that %3D 2 cos(@-).

A:

Q: y = [ senau ли? sen("-)du x = cos du 2 cos

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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 theta = x/2, then 1+that2 theta is equals to?

A:

Q: Which of the following correctly expresse 4sin (4a)cos a as a sum?

A: To find the correct option