Use a calculator to find a decimal approximation for each value. sec (-221°45') sec (-221°45') =O (Simplify your answer. Round to seven decimal places as needed.)

Q: 5. Find the quadrant where tan 405° lies, its reference angle, and also the exact value.

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Q: 20° 9 Not drawn to scale

A:

Q: Use a calculator to find each of the following. Round all answers to four places past thedecimal…

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Q: Use a calculator to approximate sec 10°. Round the answer to two decimal places.

A: Consider the provided expression, sec10° Use a calculator to approximate and round the answer to two…

Q: Use a calculator to approximate the value of the expression cos−1 0.26, if possible. Round your…

A: Given: cos-1 0.26,

Q: Use a calculator to find an approximate value for each expression,rounded to two decimal places.…

A: Given: cos-145 To Find: To evaluate the given expression.

Q: Use a calculator to find an approximate value for each expression,rounded to two decimal places.…

A: To evaluate: sin-1(0.7) Solution: sin-1(0.7) On simplifying further we get:…

Q: Use a calculator to approximate sin pi/8 . Round the answer to two decimal places.

A: We have to find the value of sin pi/8.

Q: Use a calculator to find the approximate value of each expression rounded to two decimal places.…

A: To use a calculator to approximate the value of expression rounded to two decimal points: tan-1(0.2)…

Q: Use a calculator to approximate each value to four decimal places.             cos 10

A:

Q: Use a calculator to calculate each pair of ratios. Round the decimal to four decimal places. a.) sin…

A:

Q: If tan A= 2.12, what is the value of cot A rounded to the nearest tenth

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Q: Use a calculator to find the approximate value of each expression rounded to two decimal places.;tan…

A: To find the approximate value of the expression tan 1°, rounded to two decimal places, use a…

Q: Find the tangent of LC. C 89 39 Write your answer as an integer or as a decimal rounded to the…

A:

Q: Use a calculator to find the approximate value of each expression rounded to two decimal places. tan…

A:

Q: Find the exact value of the expression without using a calculator.     cos(45o) + sec(120o)

A: Given : cos(45o) + sec(120o)

Q: What is the angle in radians that a phasor makes with the +x axis, that is {-0.44 + -7.79*j}^-1…

A: Here we have to find the angle in radians that a phasor makes with the +x axis , that is…

Q: cos 180 II

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Q: tan 30

A: follow next step

Q: Use a calculator to find the value of the following expression rounded to two decimal places. - 1…

A:

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

A: Explanation: Given that,

Q: use a calculator to find the approximate value of each expression rounded to two decimal places.

A: To evaluate: cos-1(23) Solution: cos-1(23) On calculating we get:…

Q: Find the tangent of LC. C 89 39 В Write your answer as an integer or as a decimal rounded to the…

A:

Q: Use a calculator to find the approximate value of each expression rounded to two decimal…

A: we know that 1 degree = π180radian so we can write  tan1o=tan(π180)radian…

Q: Use a calculator to approximate each expression in radians rounded to two decimal places.

A: Use a calculator to approximate each expression in radians rounded to two decimal places.…

Q: Use a calculator to find the value in radians of the following expression rounded to two decimal…

A: We need to find tan-1(13)

Q: Use a calculator to approximate each value to four decimal places.             tan -(25 degree)

A: Given: tan(-25°)

Q: Use a calculator to find the approximate value of: (a) cos 48° (b) csc 21° (c)tan π /12 Express your…

A: Given-  a cos 48°b csc 21°c tan π12 To Find-  The value of the above trigonometric expression using…

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

A: To find cos-123

Q: Use a calculator to find the value of the expression cos-1 √5/ 7 rounded to two decimal places.

A: Given:cos-157

Q: Use a calculator to approximate sec 31.7 degree a. 0.850 degree b. 0.5255

A: Using calculator we get, cos (31.7 degrees) = 0.850811 (approximately)

Q: Use a calculator to find the value of the acute angle, 0, to the nearest degree. sin 0 = 0.3083…

A: sinθ = 0.3083     θ = sin-1(0.3083)     θ = 17.95° ≈ 18°     θ ≈ 18°

Q: Find the measure of an arc in radians if the radius of the arc is 2.3 inches and the length of the…

A:

Q: 3. arccos

A: We have given expression arccos-32

Q: Find the exact value of sec 30°.

A: The main objective is to find the value of sec 30°. It is known that the secant function is…

Q: A flywheel with a diameter of 14 cm is rotating at a rate of 9 radians per second. What is the…

A: r= radius

Q: Find the exact value. cot 30°

A: We have to find the exact value of cot 30°.

Q: Use a calculator to find the following. Round your answers to four decimal places.      tan 143.4…

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Q: Use a calculator to approximate the value (in radians). Round your answer to two decimal places.…

A:

Q: Find the exact value, in radians, of the expression arc cos ().

A: We will solve the required.

Q: Find the quadrant in which θ lies from the information given. sec(θ) > 0 and tan(θ) > 0

A: Using the below chart

Q: Determine the value of 0, in radians, to two decimal places, if: sec(0) = 1.33, for 0 < 0 < 2n.

A:

Q: Use your calculator to find the following to FOUR decimal places. a. Sin 70 =| b. Cos 32 = c. Tan 14…

A: Since you have asked multiple questions in a single request so we will be answering only first…

Q: Use a calculator to find the following. Round your answers to four decimal places.      tan 195…

A:

Q: Find the value of each trigonometric ratio. 1) tan C

A: Question 1,Given,          The triangle is shown below :

Q: The radius of a car wheel is 15 inches. If the car is travelling 65 miles per hour, what is the…

A: