Find the exact value of each expression .cos-1(-1).

Q: Describe the steps we use to find the value of a trigonometric function of an angle u.

A: Trigonometric functions are also called as a Circular Functions. It is defined as the functions of…

Q: Give the exact value of the following: 3 4 cos (-²) = [

A:

Q: Express the product as a sum or difference. cos 4x cos 3x Blank 1 Blank 1 Add your answer

A: The given trigonometric expression,

Q: Evaluate cos¹3xdx. a. 0.245 b. 0.267 O b O d c. 0.229 27 d. 0.196 e. none of the choices

A:

Q: Use the addition and subtraction formulas to simplify the expression. cos(x+y) cos(x - y)

A: Given,            cosx + y cosx - y

Q: Simplify. sin α + sin ẞ COS a cos B

A: The given expression is

Q: I need the answer as soon as possible

A:

Q: 82 18 Riv 80

A: For a right triangle we know, cos(θ)=basehypotenuse

Q: find the exact value of each expression.

A: csctan-1-2

Q: nd all values of z for which zª + 2 – i2/3 = 0 and represent them geometrically. |

A: To solve the given equation by using D'Moivre theorem we find the point. The 4 value of z satisfy…

Q: 3 m4 m 2 72

A: We know that If bases are equal then powers should be added

Q: Verify each identity. 1. secx %3D = CSCX tanx

A:

Trigonometric Identities

Trigonometry in mathematics deals with the right-angled triangle’s angles and sides. By trigonometric identities, we mean the identities we use whenever we need to express the various trigonometric functions in terms of an equation.

Inverse Trigonometric Functions

Inverse trigonometric functions are the inverse of normal trigonometric functions. Alternatively denoted as cyclometric or arcus functions, these inverse trigonometric functions exist to counter the basic trigonometric functions, such as sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (cosec). When trigonometric ratios are calculated, the angular values can be calculated with the help of the inverse trigonometric functions.