Find exact and approximate values for sin 30° and sin 60°. Use Figure 11.5.

Q: Use a calculator to find the following values: sin(0.3) cos(0.3) tan(0.3)

A: our objective is to find the values.

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. tan 12

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Q: Use the addition formulas for sine and cosine to simplify the expression. sin(a - ) + sin( + =) +…

A: In this question we need to simplify the given trigonometric function.

Q: In the given figure, what is the value of sin E?

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Q: . Use the diagram to find the requested values. a. sin a 13 b. tan 0 c. sin(20)

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Q: Find the exact value by using a half-angle identity. sin 75°

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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: Find exact and approximate values for sin 45°.

A: Isosceles right triangle An isosceles right triangle with sides 1. Now find the hypotenuse side…

Q: Use the information given below to find sin (a-B).

A: Given,tanα = 512 = PerpendicularBase                               α is in 3rd quadrantPerpendicular…

Q: Use a calculator to find the value of the acute angle, 0, to the nearest degree. sin 0 = 0.4829

A: Given: sin θ = 0.4829     To determine: value of θ

Q: Find the exact value, not a decimal approximation, of sin pi/12

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Q: Write the first expression in terms of the second if the terminal point determined by t is in the…

A: Trigonometric function positive in negative in sin(t) I, II quadrant III, IV quadrant cos(t) I,…

Q: Using the figure shown below, what is sin 20 X

A: Given that:                           NOTE: As per our answering guidelines, we can only answer 1…

Q: Use the given information to find the exact value of: a. sin(α/2)  b. cos(α/2)  c. tan(α/2)

A: It is given that tan α=43 where 180°≤α≤270° so, the angle α is in the third quadrant. So, α2 will…

Q: Find the values in

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Q: Given cos 0 = , find the value of sec 0 12

A: cosθ=-712

Q: without using the calculator evaluate : sin ϴ, cos ϴ, tan ϴ of  a) 450° b) 10pi/3

A: Calculation:a)Compute the value of sin (450°) as follows.

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

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Q: Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the…

A: Topic - trigonometric Identities  Using identities Sin2 (x)= (1-cos 2x)/2 Cos 2 (x)= (1+cos 2x)/2…

Q: When figuring out this question, what would be the radians value, with 4pi/3?

A: The table of signs of different ratios in the quadrants is as shown below. II    only sin +ve I…

Q: sin (sin) IS KTO

A: Given-  Sin-1(sin(π/6) For angle θ between 0 to  π/2,  Sin-1(sin(θ)) = θ

Q: Find the exact value, without a calculator. sin 7n tan 12 %3D 6. Cos [?]+ D [ ]-O コ-T

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Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. tan(15°)

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Q: Write an algebraic expression that is equivalent to the given expression. sin(arccos(x))

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Q: Find the exact value of tan 3 Write your answer in radians in terms of t. V 3 JT -1 tan 3

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Q: Find the exact value.sin 195°

A: Find the exact value.      sin 195°

Q: How many radians is 30°?

A: Degrees to Radians: - Degrees to radians is a type of conversion used in geometry to convert angle…

Q: Use the figure to find the exact value of the following trigonometric function. tan (20) tan (20) =…

A: We can find tan(2 theta) by multiple trigonometric formula.

Q: Use the given information to find the exact value of a. sin 20, b. cos 20, and c. tan 20. 20 0 lies…

A: Here I am attaching image so that you understand each and every step.

Q: Use a reference angle to find the exact value of cos 210 degree        -1/2

A: Let the given cosing angle be y - y = cos210Angle 210° lies in the third quadrant.So, we can take…

Q: Given tan0= -3/4, 0 is in quadrant II, find sin2 0

A: First find the angle theta in II quadrant and than use the trigonometric identities.

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: Find the exact values of the remaining trig functions if sin a =4/5  and a is an acute angle.

A: Given sina=45 where, 'a' is an acute angle

Q: Write the first expression in terms of the second if the terminal point determined by t is in the…

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Q: Find the value of the angle of tan(cos(x))

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Q: Use a reference angle to find the exact value of tan 4π/3.

A: solution:- Use a reference angle to find the exact value of tan 4π/3.

Q: Use reference angles to find the exact value of the following expression. sin 6

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Q: Write cos(0) in terms of sin(0) if 0 is an angle in quadrant II.

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Q: to 6.

A: Given: To determine: Value of tanB

Q: Use the given conditions to find the exact value of the expression. sin(a) = – 13 tan(a) > 0, sin a…

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Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. cos (2)

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Q: Find the angle between 0° and 180° for the blank below. sin(-240°) sin

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Q: Find sin(2A), if sin(A) 7 and A is in quadrant 4. 25 -

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

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Q: Evaluate without a calculator:

A: The unidentified measure of an angle of a right triangle can be evaluated with the help of inverse…

Q: Find the exact value. a. cos, 2.

A: a. Obtain the value of cos3π2, cos3π2=cos2π-π2=cosπ2=0   Thus, the exact value of cos3π2 is 0.

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. COS

A: We can answer the question as below using half angle formula.

Q: Find the exact value, in radians, of the sin 2

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