Find each function value without using a calculator cos(-45°)

Q: Determine the amplitude and period of each function without graphing.

A:

Q: Find the exact value of each expression.

A: Given, y=tancos-1-32 or tancos-132 now find value of given expression we know, cosπ6=32 π6=cos-132…

Q: Find each function value sin 2.3581

A: We have to evaluate sin 2.3581.  Note that the given angle is in radians.

Q: Find the exact value of each expression: (ii) tan-1 V3

A: Given a expression, tan-13 To find the exact value of the expression.

Q: Find the exact value of each expression:

A: Given,  tan7π12 Find the exact value of above expression.

Q: Write each function value in terms of the cofunction of a complementary angle. Sin (5π/8)

A:

Q: Evaluate each expression without using a calculator, and write your answers in radians.       arctan…

A: we know that value tan-1-1=-tan-11

Q: Use a calculator to find the following function values cos 1.2353

A: The given expression is cos1.2353

Q: Determine the exact value of each expression without the aid of a calculator. 1. cos^-1(cos7π/6)

A: the exact value of each expression without the aid of a calculator. 1. cos^-1(cos7π/6)

Q: Evaluate each expression without using a calculator, and write your answers in radians.       arcsin…

A: Given: sin-132 we know that domain of sin-1x is x∈-1,1

Q: Evaluate each expression without using a calculator, and write your answers in radians.       arccos…

A:

Q: Find each function value . tan 1.2915

A: Given:        tan 1.2915 Now we have to find the value of tan 1.2915 using calculator

Q: Find the exact value of each expression.

A: Given: y=cos5π4 We know that cosπ+θ=-cosθ                                                        ..1

Q: Find the exact value of each expression.

A: the given expression is: sinsin-112+cos-10 we have to find the exact value of the given expression.

Q: find the exact value of each expression.

A: Given cos-122

Q: find the exact value of each expression.

A: To find the exact value of sin-1cos-7π6. Solution: We know that, cos-θ=cosθ cosπ+θ=-cosθ So,…

Q: Identify the period for each function. 24. y = tan n0

A: Given function :

Q: Use a calculator to approximate each expression in radians rounded to two decimal places.csc-1 ( -…

A: To express in radiancsc-1(-4)

Q: Graph the inverse sine, cosine, and tangent functions, indicating the coordinates of three points on…

A: Given:

Q: Find the exact value of each expression .

A: Explanation Given that,  tan-13

Q: find the exact value of each expression.

A: Let sin-113=θsinθ=13 Finding tan from this: tanθ=19-1tanθ=18tanθ=122

Q: 3) y= cos (40 + 90) COS

A:

Q: Find the exact value of each expression.

A: To find the exact value of cotsin-1-12. Solution: We know that  sin-1-x=-sinx and cot-x=-cotx…

Q: Use a calculator to find the value of each expression rounded to two decimal places. cos-10.6

A: To find the value :                       cos-1 (0.6)

Q: Find the exact value of each expression

A: We expression cos[2tan-1(-43)] Let  y = cos2tan-1(-43) To find the value of this expression Let…

Q: find the exact value of each expression.

A: a. sin-112=π6    ∵sinπ6=12   b. sin-112=π4    ∵sinπ4=12

Q: Determine the amplitude and period of each function without graphing;

A:

Q: Find the exact value of each expression.

A:

Q: Find the exact value of each expression .

A: Consider the given expression as cos-1-32

Q: Find the exact value of each expression. cos 285°x cos 195°

A: To Determine:  Find the exact value of each expression. cos 285∘×cos195∘ Given : we have cos…

Q: Find the indicated function value. If it is​ undefined, say so. cos(90 degree)

A: Please refer the attached image for complete solution.

Q: Find the exact value of each expression.

A: Given expression is sin-1-22

Q: find the exact value of each expression.

A: Given expression: cos-122

Q: Find the exact value of each expression.

A:

Q: Find the exact value of each expression. sin 195°x cos 75°

A: It is a trigonometric expression so trigonometric identities will be used to find the exact value of…

Q: Evaluate each expression without using a calculator, and write your answers in radians.       arccos…

A:

Q: Find the exact value of each expression . tan-1(-1)

A: Our Aim is to find the exact value of the expression given below:-tan-1 (-1) -(i)

Q: Convert each of the following to radians without using a calculator.       330  0

A: 330°

Q: Find each trig function value. cos 4

A: Given :

Q: Graph each function using radians. 5. 1

A: Use the properties of transformation of graph.

Q: Find each function value cos 0.5934

A: In degree measure: cos (0.5934) = 0.9999

Q: use a calculator to evaluate each expression in radians, if possible. Round your result to three…

A:

Q: Graph each function using degrees. 1 sin 3 1) y= + 210

A: Given,          The function is y=12·sinθ3+210 .

Q: Find each function value without using a calculator: tan 120°

A: tan 120

Q: Write each function value in terms of the cofunction of a complementary angle. Cos (π/12)

A:

Q: Find the exact value of each composite function. 4T a) tan- tan b) cos cos

A: 1.)sin-1(sinx)= x,  x∈-π2,π22.)cos-1(cos(x))=x, x∈0,π3.)tan-1(tanx) =x, x∈-π2,π2

Q: Find the exact value of each expression: tan 1 V3

A: We have to find exact value of the expression: tan-13 We know the exact value, tan π3=3 Therefore,…

Q: valuate each expression without using a calculator. 1. tan(arccos-) 2. cos(2 arctan(-2)) 3.…

A:

Q: Graph each function using radians. 1) y= sin 0

A: Solution Question 1  Given, y = sinθ  We have to graph the functions using radians

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.