Find cos CIos) in woys. Use the addirion formula: cos CIos) = cos (60°+ 45°) half ang le formula Use Hhe coscios) cos (210°) (wore: 210 = 1s0+30) %3D Convince yourseif har He to e and answeS are eaual by appronimahing each resuit of the million H (sin deci mal Places). nearest

Q: a power-reducing identity bilowing expr only powers of cos?(x)sin*(x) Answer

A: Given; cos2(x) sin4(x).

Q: Use the given vectors to find the specified scalar. u = -7i + 10j, v 2i - 8j, w = 7i - 6j; Find u (v…

A:

Q: A triangle has angle measures of 53° , 44.6°, and 82.4° and side lengths of 4.6 in, 5.2 cm, and 6.5…

A: This question is related to Triangles, we will solve it using given information.

Q: 9) 5olve For OLO<2M Cose+sin A =1 2.

A:

Q: 9. Find by using a right triangle. a) What is tan(arctan(11)) = b) What is sec(arcsin()) =

A: Recall:  tan(arctan(x))=x

Q: Write a ratio that is equivalent to z/x

A: Formula : secα= Hypotenuse Adjacent    in the first triangle  secα=zx   in second triangle  secα=sq

Q: Use e a sum or differonce formula to find the exact value. tan 43° + tan 17° 1-+an 43° tan 17°

A: (tan43 + tan17)/(1-tan43tan17) this is formula of tan(x+y) so here x =43   , y =17 tan(43+17) =…

Q: NOTE: The triangle is NOT drawn to scale. 103 43° 37°

A: We have to find the value of x.

Q: 8:46 s e D 2+ + Solve using the Quadratic Formula. 7) 9x2 = 4 + 7x Show set up then answer a = b = C…

A:

Q: 2. %3D 8. Assume that cos(r) = 15 for r in quadrant IV. Find sin(2.r), cos(2r), and tan(2r).

A: Explanation of the answer is as follows

Q: Find all the complex fourth roots in rectangular form of w=16(cos 5pi/6 + i sin 5pi/6)

A:

Q: 6. Given BC = 16 and AB = 21, what trigonometric ratio should be used to gef ZA? A. tan A B. cos A…

A: We have to solve above question    As per bartleby guidelines we have to solve 1 question. If you…

Q: Find all solutions of the equation in the interval (0, 27). 4 cos (0) – 3 = 0

A: Given query is to find the solution of the trigonometric expression.

Q: Prove the identity below. Justify each step; see class notes for examples of justification (csc (r)…

A: As we know the trigonometric identities; 1). sinx=1cscx 2).  cosx=1secx 3). cotx=cosxsinx 4).…

Q: Write the augmented matrix (with no row operations) for the system of linear equations. -X + z = -1…

A: topic - augmented matrix

Q: Given v = 3i+7j & w = 4i-5j, find the dot product.

A:

Q: Amanda, Bryce, and Corey enter a race in which they have t are given in the table. Corey finishes…

A: Given:   Data is given

Q: Determine all coterminal angles that lie in the interval -47 < 0 < 4T, for the following angle 0 =4n…

A:

Q: Find the dot product of a & b when a = 8i + 3j and b = -4i - 6j

A:

Q: 9 cm 36 14 cm

A:

Q: Solve using the Quadratic Formula. 4) 2x2 - 3x - 15 = 5 %3D Show set up then answer a = b = C = X =…

A: Solve the given

Q: Perform the matrix operation. (If not 052 2 8 -3 9 1 0 36 -5

A:

Q: Find the following quotient. Write your answer in standard form for complex numbers * 6i 3 + i

A: Given that, 6i3+i

Q: 6) Solve each of the following equations on the interval 0 < 0< 2n: a) sin(40) – sin(60) = 0 b)…

A:

Q: Graph the pair of parametric equations.

A: x=2 cos2t,y=2 sin2t, for t in 0, 2π   t x=2 cos2t y=2 sin 2t 0 2 0 π/4 0 2 π/2 -2 0 3π/4…

Q: find the exact value of each using sum and difference

A:

Q: 6 - 6 tan (x+3)= -12

A:

Q: Find the specified vector or scalar. u = 6i + 2j and v = 18i + 20j; Find v-u. O GV13 O V13 O 6V14 O…

A:

Q: Prove the identity. cos8x+cos2x / sin8x+sin2x = cot5x

A:

Q: Use the following information to determine tan(2x). tan(x)=−3 and sin(x) is negative.…

A: Given tan(x) = -3 and sin(x) &lt; 0, which means tan(x) and sin(x) are negative, then x must belong…

Q: 22. To solve right triangles using the angle of depression, which do we consider? The angle formed…

A:

Q: 11) Move Red circle on correct answer. What is the solution set to r? = 16 - 4x ? {+4) {2+2/5 }…

A:

Q: Find the solution(s) for theta. 0 = tan 0 {0, 180} O (135, 180} {0} (135, 315}

A:

Q: Let v be the vector from initial point P1 to terminal point P2. Write in terms of I and J P1 =…

A: Finding the vector v

Q: Refer to the figure below. Make use of Euclid's axioms and postulates. Line AB crosses lines CD and…

A: Explanation of the answer is as follows

Q: 00 9 -4 -9 G = -6 4 5 -3 -3 (а) В + С (b) B + F

A:

Q: Simplify to an expression involving a single trigonometric function with no fractions. cos( – x) +…

A:

Q: An antenna has 4 guy-wires connected to the top of the antenna, and each guy-wire is anchored to the…

A: I am going to solve the given problem by using some simple trigonometry to get the required result…

Q: 7. Rewrite the complex number 4 + 7i into polar re" form.

A:

Q: Consider the right triangle shown below. The hypotenuse of the triangle is r = 12 cm long. Suppose…

A:

Q: Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form. (5 + 1)6 O 64 -…

A:

Q: Use a power-reducing identity to rewrite the following expression below in terms containing only…

A:

Q: Find all solutions to the equation below in the interval (−1π,0]. Give all answers as exact values…

A:

Q: Use the product-to-sum identities to rewrite the following expression as a sum or difference.…

A: we have to express given as a sum or difference.

Q: Choose the point which shows the correct location for the polar coordinate (-2,-). 90 2 WIN 135°…

A:

Q: 14. Given 0 < 0 < 2T, Juan solves the equation 4 sin 0 - 1 = 0 and finds solutions of and . Explain…

A: Given problem:- Given 0 ≤ θ &lt; 2π, Juan solves the equation 4sin2(θ) -1= 0 and finds solutions of…

Q: 16. Which expression is equal to csc x - cos x cot x using identities? sec x sin x tan x COs x

A: Trigonometric identity

Q: the angle, in degrees between 0 and 360∘, which intersects the unit circle at the point (−2√2,−2√2)

A: We have to use properties of unit circle to solve the problem

Q: 10) solve For OsOL2i -2=-30050t Cos 20

A: Given problem:- Solve for 0≤θ&lt;2π -2=-3cos(θ) +cos(2θ)

Q: ship is headed due north at a constant 15 miles per hour. Because of the ocean current, the true…

A: Answer : current direction 27.06°.