Which is the correct cofunction identity for cosd? O A. cac(90° – e) O B. sec(90° – 0) - OC sin(90° – ) - O D. cos(90° – 6) - O E. tan(90° – 6) -

Q: Find the exact value of tan (a + B) under the given conditions. 24 cos B = tan a== 21 25 2 B<T

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Q: Find the exact value, not a decimal approximation, of cos^-1[cos(-5pi/3)]

A: Given that: cos-1cos-5π3

Q: The value of 6 tan(cos-: cos(0°) a) 6- V3 b) 6+ V3 c) 0 d) 6

A: Let's find value.

Q: (a) Use Addition formula to find the exact value of cos (a + B), (a in quadrant III) 3 if tan a = -…

A: Given a) tanα=23, cscβ=53, where α is in III quadrant and β is in quadrant II.

Q: Use the information given below to find tan (a+B). 3 tang =- with a in quadrant III 4 4. with B in…

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Q: Use the given information to find the exact value of: a. sin(α/2)  b. cos(α/2)  c. tan(α/2)

A: It is given that tan α=43 where 180°≤α≤270° so, the angle α is in the third quadrant. So, α2 will…

Q: Use a calculator in the radian mode to fill in the values in the following table. Then draw a…

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Q: TT Find the exact value of sin cos 3*

A: The required value of the product of the sine function cosine function can be found with the help of…

Q: Use Addition formula to find the exact value of cos (a + B). if tan a= 3 (a in quadrant I) and csc…

A: Use the identity cosα+β=cosαcosβ-sinαsinβ Use tan2x+1=sec2x to find cosine function. Use…

Q: Use the information given below to find cos (a-B). 5 with a in quadrant III 12' tan a= 3 cos B= with…

A: Given data is: tanα=512 , α lies in quadrant IIIcosβ=35 , β lies in quadrant IV

Q: Use the appropriate reciprocal identity to find the exact value of sec θ for the given value of cos…

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Q: Approximate the acute angle u to the nearest (a) 0.01 and (b) 1'.

A: Approximate the acute angle u to the nearest (a) 0.01 and (b) 1 Given, cosθ=0.8

Q: The exact value of the expression cos (cot" (a) (b) (c) = (d)

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Q: Use the information given below to find cos (a+B). 12 with a in quadrant I 13 cos a = tanB= 4. with…

A: Given, cos α=1213tan β=45

Q: Use the adjacent figure to find the exact value of the following trigonometric function. cos 3 8 IN

A: For the given triangle below, To find the value of cosα2.   Explanation: Pythagoras theorem: It…

Q: Use the information given below to find sin (a -B). 3 with a in quadrant II 5' sina= 3 tan B= with B…

A: Given,        sinα=35, with α in quadrant II        tanβ=34, with β in quadrant III

Q: Use the figure to find the exact value of the following trigonometric function. 8. cos (2a) 15

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Q: 37 where < < B <2r, find cos (a + B) 2 a<n and cos B = - where Given tan a =

A: We have cosα+β=cos α cos β - sin α sin β tan α=-43⇒cot α=-34⇒cosec  α=1+cot 2α=1+916=2516=±54sin…

Q: What is the exact value of cos (tan¬'m) where m = :? 12 Provide your answer below:

A: if m=512 To find: the value of costan-1mSolution :let…

Q: Use the information given below to find sin (a+B). 4 with a in quadrant IV 5 cos a= tan B 4 with B…

A:

Q: Find the exact value of cos 45°.

A: NOTE: Refresh your page if you can't see any equations. . from the trigonometric table, we can…

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

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Q: Find sin(a) and cos(ß), tan(a) and cot(B), and sec(a) and csc(B). 4 7

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Q: Find sin(a) and cos(B), tan(a) and cot(B), and sec(a) and csc(B). 20 35 B (a) sin(a) and cos(ß) (b)…

A: Given, Using Pythagoras theorem,

Q: Find the exact value of the given expression. tan( cos- )

A: Giventan(12cos-189)

Q: Use the information provided in the figure to find the exact value of each of the fol- lowing. (a)…

A: we will use trigonometry ratio to solve.

Q: Find the Exact Value of cos(165°)

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Q: Use the information given below to find cos (a-B). 5 with a in quadrant I 13 cos a= 5 cos ß= with B…

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Q: Find the exact value.cos 75°

A: Consider cos 75°=cos45°+30°

Q: TT S sin () Evaluate: 8 cos? dx

A: We will find the value of the integral.

Q: Find the exact value of the expressions cos(a + B), sin(a + B) and tan(a + B) under the following…

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Q: What is the value of cos B? B

A: cos B=adjecent to ∠BHypotenusecos B=BCAB

Q: Evaluate the expression under the given conditions. tan(20); cos(0) e in Quadrant I 13

A:

Q: Suppose A is in Quadrant I and sin 0 %3D what is the value of Cos e ? 5/6

A: We need to find to value of cosθ when sinθ is given.Below find the solution in the given image.

Q: verify identity cos 2a = cot a - tan a/csc a . sec a

A: The given identity is,

Q: Use the information given below to find cos (a - B). 4 with a in quadrant I tan a =- 3' cos ß = 3…

A: Given : tanα = 43, with α in quadrant 1cosβ = 35, with β in quadrant 4.   To find : cosα-β?

Q: Write the formulas for cos(A - B) and sin (A - B)?

A: We have to write the formulas for cosA-B and sinA-B. We know the formula for cosine difference angle…

Q: Find the value of the cos I

A: Given,

Q: Find sin(a) and cos(ß), tan(a) and cot(ß), and sec(a) and csc(ß). 16 28 B

A: Given,          A right triangle is shown below

Q: Find the exact value of cos(165°).

A:

Q: Use the information below to find cos (a+B) tan(a)=2/3 with a in quadrant 3 cos(B)=1/5 with B in…

A: where,   cos(a+B) = cos(a)cos(B)-sin(a)sin(B)      ......(1) Given : tan(a) = 2/3 with a in quadrant…

Q: Evaluate sin" a cos a da.

A: Given : ∫sin4x cosx dx

Q: The value of a is Blank 1. [²1² sin³r cos³r dr == where a =.

A:

Q: Find the exact value, if possible, cos(cos-1 1.5).

A: Consider the provided expression, coscos-11.5 Find the exact value.

Q: Use the given conditions to find the exact value of the expression. 3 cot(a): cos(a) < 0, tan (a + 4…

A: Here we use  trigonometric identity to solve the problem.

Q: Which of the following is not true? a) cos?t+ sin²t = 1 b) sec²t – tan²t =1 c) csc?t – cot²t =1 d)…

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Q: Determine cos-(sin c) if c = 19% 197 %3D radians. Enter an exact answer in terms of t. 3

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Q: Find: cos(a) = 90° <a < 180°, A. cos(2a) = %3D 8. tan(2a) =

A: Cosine is negative in the second and third quadrant and positive otherwise. Tangent function is…

Q: Va +

A: Given: y=1a2+x2 for simplifying given expression we substitute x=atanθ so,…