2) How many roots does the polynomial have ? a) 2x - 4x? + 9x - 1 b) 2x* - 9x 1

Q: cos - I resulted in a negative answer. Why is it impossible for cos to be 12 negative?

A: Let's find. 

Q: 5) -3 = -3csc²0 +1

A: 5)    -3  = -3csc2θ+1     -3-1 =  -3csc2θ+1-1      [subtract 1 from both sides]         -4   =  -3cs...

Q: 12. Determine 0 for -360 s0<360". Round answers to the nearest whole degree. sin 0 = -0.6485 %3D

A: Given,           sinθ=-0.6485To find : Determine θ for -360°≤θ&lt;360°.

Q: COs 3 180 -450° 270°

A:

Q: 6. 1) cos sin 7 -1 2V5 3) csc cos -1 5) csc sin- 7) sec tan-1 V3 4/5

A: Answer of 1: Here the angle of cosine function is an inverse sine function.

Q: 7. Find the exact value of each expression using the angle sum and difference formulas: cos 165°

A:

Q: 9) Given matrix -8 -11 -2 3 4 11 -4 -3 8 24 5 -7 2 9 -10 6 a) What element is in the 4th row and 2"d...

A:

Q: Choose the possibilities of g by clicking. %3D

A:

Q: tan csc What is the exact value of 2 ))?

A:

Q: What is the sum of the infinite geometric series? 40 120 +40 + 3 40 * +.. O 136 O 156 O 180 O 184

A:

Q: 4) 2x + 3y = 20 Solve by Elimination %3D 2x + y = 4 Show steps Substitute the solved equation into t...

A:

Q: 5) Put into Desmos and find the solution. 6x + 3y = 23 9x - 2y = -11

A:

Q: 47. Find the shaded area. doc 3 in. 120 8 in.

A: We will use the following concepts

Q: In a right triangle, sin(β) = 0.292. If the hypotenuse of the triangle has a length of 17.5 cm, what...

A:

Q: .2 6) cos 0 = 1– 3cos? 0

A:

Q: ),

A:

Q: For all real numbers x,* cos(1339x) cos(1337x)+ sin(1337x) sin(1339x) =? 1- 2 sin? x cos x – sin? x ...

A:

Q: 2) Find the solution to the system by Graphing. State the solution. Fill in yintercept and slope, te...

A: We compare the given equation with y=mx+c where m is the slope of the equation and c is the y-interc...

Q: 19. Triangle ABC has the following data: a = 9, b = 12 and A = 39 degrees. How many triangles may be...

A:

Q: 3n An infinite series is represented by 15n +5 n=1 What is the limit of the infinite series? O 0.2 O...

A:

Q: An stomach virus spreads around a school with 750 students. After t days, the number of people who h...

A: An stomach virus spreads around a school with 750 students.ft=7501+27 e-0.13t

Q: Determine whether the polygons are similar. If they are, write a similarity statement and give the s...

A: Determine whether the polygons are similar. If they​ are, write a similarity statement and give the ...

Q: Write the equations of the following in terms of the cotangent function: 14. 13. amp ++++++-

A:

Q: 9) Given matrix -8 -11 -2 3 4 8. 11 -4 -3 24 -7 6 L10 9. a) What element is in the 4th row and 2nd c...

A:

Q: Write the equations of the following in terms of the secant function: 15. 16. 17. 31 2. スT -1 ース Wri...

A: Given Question:- Write the equation of the following in terms of secant function.

Q: The logo for a new company is a circle divided into 21 equally sized sectors. Three of the sectors a...

A: Let's find. 

Q: If tan (A + B) = 7 and tan B = 1/43, find tan A

A: Question- If tan (A + B) = 7 and tan B = 1/43, find tan A

Q: Please help If A and B are positive acute angles and cos A 1/7'' cos B = 13/14 then show that A -B =...

A: A abd B are positive acute anglescos A=17 and cos B=1314

Q: 14) 4cot? 0 = 1 + cot? 0 360 16) 1+3cot? 0 = 4cot? 0 – 2 %3D

A:

Q: Rewrite the following expression in terms of u with u > 0. That is, to rewrite the expression in ter...

A: Find your answer below 

Q: 13) –3sec² 0 +7=3 15) csc² 0 = –-1+2csc² 0 |

A:

Q: Find the unknown angles in triangle ABC for each triangle that exists. A= 39.3° a = 3.8 c= 18.9 Sele...

A:

Q: -23 dx. . Evaluate:

A: According to Bartleby's guidelines we are allowed to solve only one perticular question at a time. A...

Q: Find the Area of the figure below, composed of a rectangle and a semicircle. The radius of the circl...

A:

Q: 4 What is the length of side AB in the figure below? Round your answer to the nearest hundredth. 32 ...

A:

Q: Please help If A and B are positive acute angles and cos A 1/7' cos B = 13/14 then show that A - B =...

A: The objective is to show that A-B=60°.

Q: 8. Given AB=3.66. Find the measure of angle BAC to the nearest tenth A r 6 m

A: topic - inverse trigonometric ratios

Q: Zha begins 7 kilometers to the north of town, and rides his bike along a straight trail which leads ...

A: As per our guidelines, we can answer only three sub-parts in a single request. Kindly re-post the ot...

Q: In ARAE and ATAE, ZRAE is adjacent to 2TAE. RA AT and RE ET. Prove that the two triangles are congru...

A: We will use the criteria for congruence  of triangles.

Q: 2V5 -1 3) csc cos -1 5) csc sin 4/5

A: We will find the inverse. 

Q: In A WXY, WX = 11.2 inches, WY = 6.9 inches, and mZW = 43°. %3D What is the area of A WXY? Enter you...

A:

Q: Evaluate eVa dx. Evaluate: 5-r°dx. Express the integral: / x 76 -3x e dx in terms of gamma function.

A:

Q: Sine, cosine, and tangent have two quadrants that are more important than the others. It is importan...

A: Explanation of the answer is as follows

Q: What is the period of the function shown in the graph? 10 12 -10.

A:

Q: X= 4 cos(t) , y= 5 sin(t) find rectangular coordinates equation for the curve by eliminating the pa...

A:

Q: ship travels 60 miles due east, then adjust its course 15° northward. After travelling 80 mil hat di...

A: We will find the distance. 

Q: csc*x - cot"x = (1 + cos²x)/sin²x

A:

Q: You are designing an access ramp for a building. Construction guidelines indicate that the angle of ...

A: The angle of elevation of the ramp should be approximately 5°.The total rise of the ramp needs to be...

Q: )) What is the quadratic polynomial in standard form Given x = and -2 1 %3D Change roots into factor...

A: Please refer to the image below

Q: Paper is below solve 15

A: 11)2tan2θ=-tan2θ+1Add tan2θ on both side2tan2θ+tan2θ=13tan2θ=1Divide 3 side by 3tan2θ=13Taking squar...