cos 45° - sin 210° cos 300° 2. Evaluate the expression your answer as a reduced exact value. and state

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A: Given: Let y=cos2 θ-1cos2 θ-cos θ To Find: To factorise and simplify the given expression

Q: 3. Determine the value of sin 56° to four decimal places.

A: 560 is close to 600

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A: Cosα =2/3

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A: Given,           The angle of elevation ⍬ of the sun in the sky at any latitude L is calculated with…

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Q: Cos(7pi/12) How do I find the exact value?

A: Given query is to find the exact value of indicated angle.

Q: If cos 0= 5/13. Find the numerical value of tan 0 and leave your answer as a simplified fraction.

A: We can use the Pythagorean theorem to find the value of x first.…

Q: Find the exact value of the expression sin 100° cos 40° − cos 100° sin 40°

A: According to the sine difference formula, . This formula can be used to obtain the value of the…

Q: if cos(X+pi/6)+sin(x-pi/3)=A, then the number A =

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Q: What is the exact value of the expression sec60° + csc30° ? 3√2 A. B. C. 1 D. 4 Find the exact value…

A: We determine the exact value of the given expression

Q: c. Explain why sin(4n – 0) = using trigonometric properties only. 41 d. Determine the exact value of…

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Q: Find the value of x. Round your answer to the nearest tenth 7 sin 33° =

A: We can find the value of x as below

Q: Sin(10.68)=Cos( ? ) Round answer to the nearest hundredth (2 decimal places).

A:

Q: "III. Find the value of the expression. 12.) csc 300• cos 60 sec 150° · sin 120°

A: SOLUTION-

Q: Evaluate the expression under the given conditions. cos(0 - p); cos(0) O in Quadrant IV, tan(9) 13 =…

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Q: (플). 3. If sin e and 0 € find sec(0 – 57).

A:

Q: Find all angles, 0° 0 < 360°, that satisfy the equation below, to the nearest 10th of a degree. 9…

A: We need to find  x.

Q: 6. SOLVE – Given the trig values of sine and cosine below to find tan 0. 5 sin 0 = 2/6 and cos 0 = 7

A: Find using properties of trigonometric rations

Q: Find the exact value of the expression in terms of xwith the help of a reference triangle. Draw the…

A:

Q: Find all solutions in radians. Approximate your answers to the nearest hundredth.       cos (px - 3)…

A: We have to find solution of cosπx-3=20.41 in radians. We know that -1≤cosθ≤1. But here we have given…

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Q: Find sin), cos), and tan from the given information. cos(x) = - 180° < x< 270° 25 sin) - cos tan

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Q: tan(-60°) sin 158 cos 570

A: To find- Value of trigonometric equation.

Q: Given 0<0< 2T, solve sin? 0- 5 cos 0-5=0. 00

A:

Q: find the value of 0 sin(55) = cos(0)

A: The solution is given below in the next step:

Q: sec & 50 given in the interval TT find The exact values Of ) sin20 b) cos 20 ¢) tan20 a

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Q: Solve exactly on the interval (0, 7). 16 tan? x – 6 tan a = 0 radian [ write the answer in radian]

A: The given equation is transcendental equation, which can be solved using substitution method as…

Q: sin? e 3. If possible, verify = 1- cos 0 is true by rewriting the left-hand side of the equation to…

A:

Q: If sin 0 = 7, 0 < 0 < <, find the exact value of each of the following. 2 (a) sin (20) (b) cos (20)…

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Q: Given that sin(a) = 2/3 and cos b = -(1/4)  with both a and b in the interval [pi/2  , pi).  Find…

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Q: 12 Find cos 20. sin e , e lies in quadrant I.

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Q: If cose = 4 , and sin0 < 0, what is the value of tan20. Select one: a. 25/24 O b. -24/25 C. -24/7 O…

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Q: Give the exact value. sin

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Q: Find the exact value of cos ​(u+​v) given that sin u=(-4)/(5), with u in quadrant IV​, and sin…

A:

Q: (b) 7 sin 0 + cos 0+cos´0 Example 32 12 sin 0 – 8 cos²0 -

A: secθ=1-tan2θ cos x = 1/ sec x   sin x = 1-cos2x

Q: Find the exact value of the expression: cot a, if sin a = - 4 and cos a <0. 7

A:

Q: If Sin 0 = 3/ 5 , find without using tables the values of : i) Cos e üi) tan 0 (ans.: i) 4/5 ; üi)…

A:

Q: If sec 0 = 4, sin 0>0, find the exact value of each of the following for 0s0< 2r. (a) sin (20) (b)…

A:

Q: Complete the identity cos^2?+tan^2?+sin^2?=

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Q: Find all solutions to the equation. 2 sin?x+3 sinx =-1 Write your answer in radians in terms of T,…

A: Add 1 to both sides, then factor the expression.

Q: Find all solutions if 0° ≤ ? < 360°. When necessary, round your answers to the nearest tenth of a…

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Q: a - b? If cos 0= , express sin 0, cot 0, sec 0 and cosec 0, in terms of a and b.

A: Solution is done in step 2

Q: Use the given information to express sin 20 and cos 20 in terms of x. x = 9 sin e with 0 <e < 1 2…

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Q: Find the exact values: a.   sin(2pi/3)+sin(5pi/4)   b.  sin (23pi/12)

A: Given  a) sin2π3+sin5π4 b) sin23π12 To find the exact values.

Q: 1. Solve for the angle in the equation. a. sin (30 + 72)° = cos 48 b. 4sin? () + 8 cos () – 7 = 0…

A: (As per the Bartleby guidelines, if there is more than one question we will only solve for first…

Q: Find the exact value of the following expressions. 4. cos 2 cot

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Q: If sin 0 =, 0<0<5, find the exact value of each of the following. (a) sin (20) (b) cos (20) (c) sin…

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Q: practice question, I attached a picture

A: The trigonometric formulas.

Q: When solving sin 0 = –0. #53 for 0° sos 360° where # is some unknown number, how many answers are…

A: Trigonometric equation