3n 4. [K4] Given that cos: 11 == 0.6549, use an equivalent trig expression to evaluate sin" to four decimal 22 places.

Q: Simplify the following: sin 75° cos 75° 5.2.1 cos(45°-2x).cos 2x - sin(45° -2x) sin 2x…

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Q: (3sin(0.3)) + cos(tan-(4.9))

A: put calculator in radian mode. 0.88656+0.19996=1.086 ans :d

Q: Simplify tan( arccos ). V3 O1 V3/3

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Q: m confused by the step where it goes to (1-cos(pi)). Where does that come from?

A: Please look at the step  4

Q: Find Eachexact value the following given the known conditions. A.sin (theta)= -3/5 and (theta) is in…

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Q: 5 sin Od0 = -5(cos x – 1). Select one: O True O False

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Q: 0 L t 912

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Q: Evaluate: 2sin(3i)cos(3i)

A: Given  2sin(3i)cos(3i) To solve we use following properties: 2sin(θ)cos(θ) = sin(2θ) sin(iθ) =…

Q: 17 8. A 15 3. B3

A: D option is right.  Cos beta = base/hypotonues                   = 8/17

Q: Differentiate the following. Simplify your answer. y = (cosx)(4sinx) Select one: 4(сosx - sinx) a.…

A: Solving the problem by doing the derivative.

Q: Using the principal value find: 137. cos-"(cos) , csc-(-/2) cos-1(cos

A: Given: cos-1cos13π6

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

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Q: Find the value of the expression: bain(z)-c.cos(z) fsin(z)-g.cos(z) to three decimal places for b=15…

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Q: Find cos . r (10,-√21) ? ㅁ Enter

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Q: find the exact value of: cos(2tan-1(9/40))

A: To calculate the exact value of the below expression,

Q: Use power-reducing and/or sum formulas to fill in the blanks in the identity below: (sin(7z))“ - | 1…

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Q: what is the equivalent expression of COS os (-), in terms oP the related acute &ngle?

A: We find the equivalent expression for the angle cos(-π/6) in terms of related acute angle.