9.[4 pts] Suppose that - 1

Q: What is the exact value of 2sin(x/2) * cos(x/2) if sin of x = 3/5 and cos of x = 4/5 ?

A: To determine the exact value of the expression.

Q: Use a sketch to find the exact value of the following expression. in-¹(-1)] tan sin Which of the…

A: According to question,Given expression,tansin-1-1517

Q: 6. Prove the following sin (x + n) = -sin x cos x+ 2 - sin x

A: Part a,Given,           sinx+π=-sinx

Q: uppose that sin x= -1/2 and pi < x < 3pi/2 and that tan y= 5 and 0 < y < pi/2. find the following…

A:

Q: If cos x = - 47 and 7 7/2 s ≤x≤, find the exact value of sin(x).

A:

Q: -517 da. Verify that the equation (secx + tan x) cos x - 1 = sin x is true for: (sec +tan)cos- =sin?…

A: Given,       (sec x + tan x) cos x - 1= sin x

Q: Rewrite cos x + 3 in terms of sin(x) and cos(x). COS

A:

Q: Diff eqn. 25) y' + (tan x)y = cos x when -pi/2 < x < pi/2

A: NOTE: Refresh your page if you can't see any equations. . compare this DE with  so here we have

Q: 23. Which of the following expressions are defined? Why or why not? (a) sin-(-25 (b) sin-1 3 -1 7…

A: (a). Given expression is sin-1-125. We know that domain of sin-1x is -1,1. Here, -125=-0.04. -125…

Q: 2x, given tan x= 2 and cos x is less than 0

A: Given tan x = 2 and cos x &lt; 0.

Q: Verify. a. (2 tan x ) / (1 + tan2 x) = sin(2x) b.  1 / (1 − sin θ) + 1 / (1 + sin θ) = 2 sec2 θ c. 1…

A: Part a)Given:

Q: -6 37 Зл Determine the exact value for sin(A+ B). 2 Given: sin A = <AS 2n, and tan B = - 7' 2 N3

A:

Q: Prove the identity. tan(x)+1 tan (x + 4) = 1 - tan (x) 44. tan

A:

Q: 5л Compute the exact value of tan ( + 4 ). 6.

A:

Q: 10. Show that there is a root of cos(x): = in the interval (0,7). TT Do NOT find the root. Explain…

A:

Q: 3. If 180° < x< 360°, and sinx - Find the exact value of cos

A: The trigonometric formulas are sin2x+cos2x=1 and cosx=2cos2x2−1.

Q: VII. Verify the identity. 11.) sin 3x = 3 sin x-4 sin3 x

A:

Q: 3. (error) For what values of x can you use sin x ≈ x- with an error less than 5 × 10-4?

A: The aim is to find the value of "x" so that it is used The expression of

Q: 6. Approximate the real root of x – cosx = 0 to three decimal places. Let xo = 0.8 and find x1, x2,…

A: Let f(x) = x - cos(x) x0 = 0.8 By using the Newton-Raphson method to approximate the root,…

Q: Which of the expressions below are equivalent? Which are not? Explain. i. sin '(x) ii. csc(x) iii.…

A: It is known that sin-1x can also be written as arcsinx.

Q: Simplify sin x(cotx + tan x) secx COSX COSx - 2 CSCX + 1

A: "Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: FIX) = sin(x+ cos x) -0.5=0 Find F(X), F(x)

A:

Q: 1. 1-Cos? X= tan x cos x sin x 2. cos x tan3 x= sin x tan? x

A:

Q: 2.2 State the identity that validate sin x = 3 cos x- and hence show that 6+9/3 tan x = [10] 23

A: Follow the procedure given below.