prove  cosx( 1- tan x)= cos x- sin x

Q: 1 What is the slope of a line perpendicular to the line whose equation is y = 3x +4? %3D 1) 글 2)-을…

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Q: Which of the following represents the solution(s) to the system of equations? a2 – 2x + 3y –- 8 = 0…

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Q: 4. Getting a red card 5. The card is a face card. 6. Drawing a numbered card. 7. The card shows a…

A: Given  Total number is cards in a deck = 52. Total number of face card =12 Total number of red face…

Q: An augmente IX Of a system of equations with variables x, y and z is written in Row Echelon Form…

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Q: a. The price of a jumper wa reduced in a sale by . The new price was later reduced by . What…

A: a. let original price = xafter price reduce by 15=x-x5=4x5

Q: 35

A: We can solve this as follows:

Q: Crusing Speed (mph) Distance without refueling (miles) Airplane Type Plane A 7650 Plane B 557 6250…

A: We have to find median.

Q: Find the defernminant of the nhatrix. a 8.

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Q: question

A: Please refer to the image below

Q: A gardener makes a new circular flower bed. The bed is twelve feet in diameter. Calculate the…

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Q: Let f(x) = 4x^2 – 7x. Use the ɛ/d-definition of the derivative to prove that f(2) = 9.

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Q: The double-bar graph shows the number of workers who were unemployed in a city during the last six…

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Q: Carl purchased a $347 car stereo at Worst Buy. He paid $28 at the time of purchase and agreed to pay…

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Q: 3 x+2y=-13 -5x+4y=18

A: given: 3x+2y=-13 -5x+4y=18

Q: green balls. 8. The ball is colored red. 13 9. The ball is colored blue 10. The ball is colored…

A: Given, Box have balls. Which is Red=4 Blue=5 Green=6 So we have Total no of ball in box Total…

Q: 1. Let -5 -7 3 -6 С - -3 A B = 6 5 -3 -2 2 -3 Determine which (if any) of the following matrices are…

A: Given problem:-

Q: 26. In how many ways can: a, five people be seated in a row? b. eight people line up for…

A: Given :(a) five people be seated in a row (b) eight people line up for registratin

Q: Exercise #2: Use your graphing calculator with a STANDARD WINDOW to sketch each of the following.…

A: Given, y= 3x²+6x-4 The graph is given by,

Q: 8y=6+2x

A: Please refer to the image below

Q: Calculate angle RKJ in degrees. [Image 14 3p 2p – 55° 70° |

A: The objective of the question is determine the others angles.

Q: Question 8 If E = 2ax + ay - 3az, F = ay - az, and G = 3ax + 5ay + 7az, determine, E - 2F + G. А)…

A: Given that E=2ax+ay-3az,  F= ay-az    and  G=3ax+5ay+7az. We have to determine E-2F+G

Q: n. Evaluate the following permutations. P, 19. 10 20. P.

A: To Evaluate the permutation

Q: Find both the perimeter (P) and the area (A) of the given figure. 11 m 10 m 9 m

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Q: 2019 N Q3 Do not use a calculator in this question. 3-V3 3+ V3 (i) Find tan ACB in the form r+sv3,…

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Q: prove that : 67 + sin 13 13 — З/13 1 sin 13 sin 13 2

A: This is a problem related to trigonometric identity. Based on the value of sin at given angle we…

Q: Richard and Samantha are charting their monthly cash flow. They have some expenses like car repairs…

A: We have to find the amount to set aside.

Q: Prove that if A is an invertible matrix then det(A−1) = 1/det(A)

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Q: 20. Is the function f (x) = 2x3 - 4x even, odd or neither?,

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Q: solve for the value of i + = In 1 In e -1

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Q: Give the location of Rome as an ordered pair (x, y). 10- London Berlin 6- Paris 4- (x, v) = OD %3D…

A: We have to give the coordinates of Rome.

Q: a. Use the long division for solve (x° - 7x - 5x + 2) + (x-3).

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Q: Question 12 32K

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Q: True Value Rentals charges $17 to rent a moving truck for 3 hours, with an additional charge of $2…

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Q: 7. Given that tan (A) = and angle A is in 3rd quadrant and cos(B) = – - and %3D 13 angle B is in 2th…

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Q: 15. You want to put a fence around a rectangular field and then subdivide the field into 4 smaller…

A: Let's find.

Q: True Value Rentals charges $20 to rent a moving truck for 3 hours, with an additional charge of $3…

A: On solving this we will get

Q: 24. Two cards are drawn at random from an ordinary deck of 52 playing cards one at a time Wiur…

A: Two cards are drawn at random from an ordinary deck of 52 playing cards one at a time with…

Q: b Find all number(s) a for which the least squares line of best fit for the points (1, 1), (2,4),…

A: Since, the student has mentioned to solve only question number (b), so we are solving accordingly…

Q: Given the arithmetic sequence: –3, –5, –7, –9, ... find ag4

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Q: on Monday Harold picked up two donuts and five large coffees for the office staff he paid $5.64 .on…

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Q: Express in terms of sums and differences of logarithms. 16 8 m log c 5 5 ca ... 16 8 4 m log c 5 5 c…

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Q: Given that dy =0 dx when x=1 for the curve y=x³+ 3x2 – 9x +6 d?y Find dx- and hence find which of…

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Q: Find the value of k if matrix A is an inverse of * matrix B. -2 k -2 A = B = 3 1 -4. -- 2 2.

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Q: simplify (-4a - 6b - c) - (2b - 4c - 8d)

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Q: A chain saw requires 2 hours of assembly and a wood chipper 5 hours. A maximum of 30 hours of…

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Q: - Watch help vide0 When Owen goes bowling, his scores are normally distributed with a mean of 105…

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Q: x+41-1 x2 f(x) = } |x +4| – 1 - 1<x<2 %3D f(x) = -2x² – x + 4 g(x) = (x – 1)²(x + 3)(x + 1)

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Q: 3. Use cramers ruie HO solve the pollo wing linear system of Credit for method. Not just solution…

A: The given equations are: x+2y=1 x-2y=8 The coefficient matrix's determinant: D=121-2=1(-2)-1(2)=-4…

Q: 1. Sketch the graph of each function in [0,2n) by transforming its parent function. (a) y = cos(x)…

A: According to Bartleby guidelines I can only answer the first three subpart of the given problem.