For the expression that follows, replace x with 30° and then simplify as much as possible. 8 cos(3x – 45°)

Q: |0 cos T0 do

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Q: For the expression that follows, replace x with 30° and then simplify as much as possible. -3 sin 2x

A: Concept : sin(2θ) = 2 sin(θ) cos(θ) ; sin(30) = 12;cos(30) = 32 given x =30o   -3 sin 2x =?

Q: What is the exact value of the COS ZXY Z? X 6. 7 8

A: Topic :- Triangle

Q: The value of cos0 from the following figure is 40 41 9. (d)- 41 9 (b) (c) 40 (a) 9 40 41

A: In a right angle triangle with respect to angle θ, the cosine function is defined as, cos θ=Adjacent…

Q: Simplify the following expression  1 + cos4θ / sin4θ

A: We can make it easier for you.

Q: Simplify the expression V125 - 5x2 as much as possible after substituting 5 sin(e) for x. (Assume 0°…

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Q: Simplify the following quantity. Draw a triangle in an appropriate quadrant. -1 (given x> 0) cos 2…

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Q: Which of the following is equal to sin()? V3 2

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Q: For the expression that follows, replace x with 45° and then simplify as much as possible. 8 cos(2x…

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Q: (d) Rs. 900 If cose+cos²e =1,the value of sin?O+sin*© is (a) -1 (b) 0 (c) 1 (d) 2 7

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Q: Chetch the praph of 9 r = }-3 sin g b) n? =4 cos 2o

A: To plot a polar curve we mainly concentrate on two things (i) The tangents at origin those can be…

Q: Simplify the expression below and then determine which of the following expressions is not…

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Q: Evaluate the expression for A=90°, B=0°, and C=270°. sin A + 2 cos B g I sec B-3 csc C

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Q: V5 3 If cos(a)= and sin(B) = 풍 <a<nand 2 * <B <27, compute the exact value of the following: with 5…

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Q: Consider the equation below. 7 r = 6 + 6 cos(0)

A: Given equation is r=76+6cosθ

Q: Q3/ Simplify the following expressions and Find the values? @I+ tanA -1 sec A. cPA.@ tanA sine-2…

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Q: For the diagram below, which primary trigo the unknown value? C. b 32° 4 cm O a) sin O b) cos CoS O…

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Q: Simplify the following expression. sin (x + 27) b. cos (x - 27) C. tan (x - T) a.

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Q: Complete the steps by applying trig identities to show that the left hand side of the equation is…

A: Identities  secx=1cosxtanx=sinxcosxsin2x+cos2x=1

Q: For the expression that follows, replace x with 30° and then simplify as much as possible -9 sin 2x

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Q: Solve for ? if 0° ≤ ? < 360°. (Enter your answers as a comma-separated list.) sin ?/2− cos ? = 0 ?…

A: Sketch the graph of sin(x/2) and cos(x), as follows:

Q: | 0 cos T0 d0

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Q: Simplify the expression as much as possible. cos(2t)/cos(t)+sin(t)

A: To simplify the below trigonometric expression.

Q: T/6 The value of cos* 30 sin 60 de is COS

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Q: What value of 0 makes cose = sin70° a true statement? %3D A) 20° B) 40° C) 70° D) 90°

A: Use the property of trigonometric ratios: →sin(90°-θ) = cosθ→cos(90°-θ) = sinθ

Q: What value of e makes cose = sin70° a true statement? %3D ) A) 20° B) 40° C) 70° D) 90°

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Q: Select the correct answer. 7 What is the approximate value of 8, if cos 8 = 9? O A. 38° О в. 52° Ос.…

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Q: If cos B=5, what is the exact value of sec B? A. 0.43 B. 0.50 с.0.71 D.1.4 О А О в о О с O D

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Q: 5. c) sin(15°) cos(15º)

A: We have to simplify

Q: 15 8 C 17 A B.

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Q: Simplify the expression. cos?( – s) V1- sin?(z) = %3D

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Q: Find p(t) if p"(t) = 2e' +4 cos(t), p(0) = 0 and p'(0) = 0. Explain why the expression you found for…

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Q: For the expression that follows, replace x with 45° and then simplify as much as possible. 6 cos(2x…

A: The given expression is: 6 cos(2x-45°)

Q: Find the exact value of sin ) given csc(x) = 8, %3D for 90° < x< 180°. 317 А. 2. С. 2 16 + 12 D. 317…

A: Given that csc(x)=8 for 90°&lt;x&lt;180° ⇒sin(x)=1csc(x)⇒sin(x)=18 Since…

Q: Find the cosine of 2J. K 5 I Write your answer as an integer or as a decimal rounded to the nearest…

A: Given triangle : As ∠k =90 apply Pythagoras theorem KI2+KJ2=IJ242+KJ2=52KJ=3

Q: Q: solve the following equation (=*sin - 20° cos )da + 2ry cos dy = 0. y? y? dr+ 2xy cos

A: a) The given equation is x2siny2x2-2y2cosy2x2dx +2xycosy2x2 dy=0 Solution:…

Q: a) Simplify the following expression. cos cos '(2x)+ si

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Q: 23. sin 20 cos 20 dên

A: Given integral is I=∫sin52θcos32θdθ Evaluate the given integral. Formula used: 1) cos2θ=1-sin2θ 2)…

Q: Use reference angles to find the èxact value of the following expression. cos

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Q: Q3 Find the value of the angle of cos(sin (x)) ?

A: The given trigonometric function is Here, the angle of the function is sin-1 (x).

Q: Simplify. (a) cos e (b) sin e

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Q: Find the value of cos e, if sin 0- 4 0° S05 90°. 7. 25 49 33

A: Given : sinθ = 47

Q: What is the value of cos W? O A 7 OA. OB. C V113 O D. 7/8

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Q: Write − sin ⁡ ( 2 x − π 6 ) in the following form: cos ⁡ ( B x − C ) + D

A: graph of -sinx   graph of cosx+π2   It means that cosx+π2 and -sinx both have same graph.   In…

Q: Given cos² x = a, where –1< a < 1. what is the value of cos 2x? O 1 01– 2a О 2а - 1 O 2a

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Q: Given the expression below, what is the value of (1+ cos e)/2? cos -= x 2

A: cosθ2=x

Q: What is the approximate value of 0, if cos 0 = 15? O A. 58° ОВ. О В. 32° Oc 28° O D. 62° O E. 48°

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Q: What value of x will make sinx = A 3 (c) 4 (D 2 E none of the given choices (B)

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Q: Find | cos? (πt) sin (π ) dr

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Q: Given sin (a) 12 and 270° < a < 360°, find the exact values of 13 sin (을). A) _ 4 V13 B) _ 2 V13 -…

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