1. Define variable x = 9.6 and y = 5.1, then evaluate the following:(a) √x² - y² + cos(xy)(b) x-y + cos(xy)State whether the answers to (a) and (b) are equal or not, and what this tells you about√x² - y².

Answered: Image /qna-images/answer/c3da0e38-71fb-4a5a-9058-0f51287aa885.jpg

Answered: 1. Define variable x = 9.6 and y = 5.1,…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter7: Analytic Trigonometry

Section7.6: The Inverse Trigonometric Functions

Problem 55E

See similar textbooks

Similar questions

Use an addition or subtraction formula to find the exact value of cos(−π12)=√A(√B+1)4cos(-π12)=A(B+1)4.
Simplify cos2(t)1−cos2(t)cos2(t)1-cos2(t) to an expression involving a single trig function with no fractions.
a. Solve 2 cos(2x) = √2 for x
Evaluate: cos (5) 0 - -1080 esc √√3 Σ
Use an addition or subtraction formula to find the exact value of √A (√B+1) 4 ; cos(- 12) = A B = =
Q13. (i) Write down the value of sin 30 as a fraction. (ii) NOT TO SCALE 30-4x (x- 3)2 30 B In triangle ABC, angle ACB =90° and angle ABC = 30°. AC (x-3) and AB (30-4x). Use your answer to part (b)(i) to write down an equation in x. Show that it simplifies to x2-4xr-6-0. (iii) Solve the equation x- 4x- 6-0. Show all your working and give your answers correct to 2 decimal places. (iv) Find the length of AB when AC is greater than 10.
d 3. Evaluate -(xª + 4" + Vĩ + + sin(4)). dr
Simplify −2sin⁡(2−x)cos⁡(2x+1)
Evaluate the following expressions. Your answer must be an angle in radians and in the interval [−π2,π2][-π2,π2].(a) sin−1(√32)=sin-1(32)= (b) sin−1(−12)=sin-1(-12)= (c) sin−1(√22)=sin-1(22)=
Simplify the expression to only one trig. term: cos2( x ) csc( x ) - csc( x ) Report below the term term only. Your attached work must show your algebraic process of obtaining that answer.
What is the value of x? √2 cosx-1=0 2sin3x+1=0
(cos-x 1. Evaluate dr by using an appropriate substitution. 12V1- dr 2. Evaluate -2 2x2 + 8x + 10

SEE MORE QUESTIONS

Recommended textbooks for you

Algebra & Trigonometry with Analytic Geometry

Algebra

ISBN:

9781133382119

Author:

Swokowski

Publisher:

Cengage

Trigonometry (MindTap Course List)

Trigonometry

ISBN:

9781305652224

Author:

Charles P. McKeague, Mark D. Turner

Publisher:

Cengage Learning

Algebra & Trigonometry with Analytic Geometry

Algebra

ISBN:

9781133382119

Author:

Swokowski

Publisher:

Cengage

Trigonometry (MindTap Course List)

Trigonometry

ISBN:

9781305652224

Author:

Charles P. McKeague, Mark D. Turner

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS

1. Define variable x = 9.6 and y = 5.1, then evaluate the following: (a) √x² - y² + cos(xy) (b) x-y+ cos(xy) State whether the answers to (a) and (b) are equal or not, and what this tells you about √x² - y².