An equivalent exp a) cos² (0) COS O b) cot? (0)

Q: 口 1. Which is equal to cos ? 3 COS cos O cos 27 COS 3 O sin O sin

A: Solve the following

Q: 2. a. If cos(0) =- ? which quadrant(s) could 0 terminate in? Provide a briej el b. If additionally…

A: Given :

Q: Using trigonometric substitution to evaluate 2, we will get A (1+ cos20) de what is the value of Az…

A: Given,

Q: 5. If csc @ 2, and cot 8 =- V3, Find: a. cos 8 b. tan 8 C. sec 0

A: Given:   Formula used:

Q: Which of the following is equivalent to cos (60° + 0) + sin(30° + 0)? cos 0 + V3 sin 0 cos 0 O…

A: This question is based on Trignometric Formulas.

Q: Verify the identity: cot? 0 = 1-cos² 0 sec² 0+cos² 0 sin? 0

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Q: 2 aplace Cos Cos 81

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Q: Which of the following is not equivalent to cos (-? 4 a. sin O b. sin(45°) cos С. cOS d. cos 4

A: Given that: cos-π4

Q: B O tan-1 cos 13 13 O cos 12

A: In this question we will use basic of geometry i.e use of trigonometric ratios. We will simply apply…

Q: Which of the following is equivalent to cos 0-2 cos 0 sine 1-sin 0+sin²0-cos²0° tan 0 cot 0 O Option…

A:

Q: Look at triangle MNQ. 71 15 58° What is the value of x, to the neares tenth? 9. Triangle AZT is an…

A:

Q: Which of the following is equivalent to cos 0? cos 0(1+ tan? 0) sin 0 + tan 0 1+ sec 0 O Option 1 O…

A: Checking all options by simplifying.

Q: 5. If cos 0 = 0.8, find cos(0 + n).

A: We will use the formula cos(A+B)=cosAcosB - sinAsinB With A=theta and B=pi

Q: 3. If cot --2 and 0<e , then cos e

A: Solution

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

A: topic - trigonometric ratios

Q: cos(0)tan(8) sec? (ө) — 1 is written in terms of sin(e) only and simplified, what is the resulting…

A: Topic:- trigonometry

Q: 25. If tane = 4 which of the following is not correct? 4 С. cot 0 4 A. sine = x2 + 16 x² – 16 В. cos…

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Q: 4. Prove that the identity is true. 1- cos“ e sin? e 1+ cos e

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Q: 23. If we verify the identity sin?r 1-cos z sec z +1 using a sec r then the value on both sides of…

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Q: Which of the following is not equivalent to cos(0 + 0)? cos 8 cos 0- sin 60 sin 0 1- 2 sin? 0 O…

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Q: 1-cos(7A) Which is the simplified form of the expression sin(7A) O cot (플) CoS O no correct answer…

A:

Q: . Which of the following is equivalent to cot²0sin²0-1, cos 0+1 1-cos e A. cos 0+1 1-sec e В. sec e…

A: Given that, the expression is cot2θ sin2θ - 1cos θ + 1

Q: 8. Verify the identity: 1- cos h sin? h h h(1 + cos h)

A: To verify:1-coshh = sin2hh1+coshUseful for the question:  sin2x + cos2x = 1a2 - b2 = a-ba+b

Q: O Express Cosines Cos(2€) Cos(30) each produd as a Suun Containny only Sines ady

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Q: 2л sin O te! 4+ cos 0 -do

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Q: cos 등 O sin O sin cos 꽃

A: cosπ3

Q: 2 sin- If p = cos -1 q, show that 4p? – 4pt + q? = 1.

A:

Q: 5. Is the equation cos 0 - sin 0 = 1 an identity? If so, verify it. If not, explain why. %3D

A: As we know that an identity is satisfied by any value of variable . Let's check for given equation .

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

A:

Q: Which of the following is not equivalent to cos(0 + 0)? cos 0 cos 0- sin 0 sin 0 1– 2 sin? 0 Option…

A: Solution:

Q: a, - pgâ, + z cos² pâ ‚, what is V •A ? :coS

A: Sol

Q: "hat is the given trigon 1– 2 cos² 0 sin 0 cos 0 p a. tan2 0

A: In this question we will use basic of trigonometry i.e use of trigonometric ratios and trigonometric…

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: 45 [6] cos 2B and sin 2B given sec B & sin B> 0. In what quadrant does 2B terminate? %3D

A:

Q: 4. If sin A with A in QIV, find COS Select the correct answer. a. COS b. COS C. COS d. COS e. COS of…

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Q: 5 and cos a= 13 If sin a 12 , what is the value of sec a + )? 13 O 17/2 26 O 7/2 26 O 13/2 17 O 13…

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Q: T. If 0 = then sin(8) = %3D cos (0) = COS Give exact values. No decimals allowed!

A: Givenθ=π6

Q: 1. Suppose that cos = 0.68. What is the value of sin(=)? Explain.

A: First we assume cos(α)=0.68cos(α)= 68100 we know that  cos(θ)=adjacenthypotenuseLets mark the…

Q: 3. Find the value of cote + co sece 5. If cos e = %3D

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Q: -cos(7A) Which is the simplified form of the expression ± sin O cos (4) COS tan O cot(4) O no…

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Q: 2. If we verify the identity 1-cos² 0 = cos? Otan? 0 numerically by substituting the value 0 = the…

A: Given identity: 1-cos2θ=cos2θtan2θ

Q: Cim sin(4)it in(2411);+ Cos)K Cos(4)k

A: This question can be solved by applying the formulas of limit on first term and by directly applying…

Q: 12 If tan(@) 0Sos, then %3D sin(0) equals cos(0) equals sec(A) eguals

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Q: 1+ cos 20 Show that cos 0

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Q: If cos(x) = Give exact answers. sin 11 15 (²) 2 Submit Question (in Quadrant-III), find Jump to…

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Q: (9) Verify the following (a) cos e + sin 0 tan e = sec e %3D

A: As per guidelines we can answer only one question at a time, so if you need more answer kindly…

Q: 0 (cos+isin)"

A: We have to find the Z-transform of cosθ+isinθn Remember Damping Rule : If Zf(n)=F(z) then…

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

A:

Q: Prove the following identity: 1- tan? e cos 20 = sec e

A: solution:-cos2θ=1-tan2θsec2θ RHS=1-tan2θsec2θ        =1-sinθcosθ21cosθ2,      ∴tanθ=sinθcosθ &amp;…