Use the product-to-sum identities to rewrite the following expression as a sum or difference. 3sin(80°) cos(65') Answer 3sin(80°)cos(65") =

Q: Use the given information to find the missing ratio. 2 a) csc a, if sin a = 3 b) cot a, if tan a = 5…

A: a. We know the realtion between cscα and sinα is cscα=1sinα Then, we have given  sinα=23 Therefore,…

Q: Use the given information to find the exact value of the expression. sin a =, a lies in quadrant II,…

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Q: Find the value of x. Round your answer to the nearest tenth 7 sin 33° =

A: We can find the value of x as below

Q: Use the given information to find the exact value of the expression. 6) cos e 7 O lies in quadrant…

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Q: Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. sin 6° (a) 1 + cos…

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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 exact value of the following expression. - 1 cos (-1/2) In which quadrant is this angle?

A: We know that,

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

A: Given: cosθ=2029, θ lies in quadrant IV We know that 1+cos2x=2cos2x…

Q: sec 0 Csc e

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Q: Use the given information to find the exact value of the expression. 13) sin a = 24 , a lies in…

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Q: Find the expression identical to the one given. 2 cos? (0/2) - sec? e cot e-1

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Q: Evaluate the expression under the given conditions.  tan(? + ?); cos(?) = − 1/3, ? in Quadrant III,…

A: This question is based on Inverse Trigonometry and Trignometric ratios.

Q: . If cos 3A +sin A= 0, find the value of A. a. 45° b. 30° c. 60° d. 90°

A: Given:- cos 3A +sin A= 0  To find:- Value of A

Q: In right triangle ABC, m/B t m/C Let sin B rand cos B = s C COS Which expression represents the…

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Q: Use the fundamental identities to simplify the expression. 1- sin? e cos? 0 cot? e - cos? 0 Cos e

A: Given:   To determine: simplified expression

Q: Use the cosine of a sum and cosine of a difference identities to find cos (s + t) and cos(s - t) .…

A: coss=15sint=35 Here, s and t are in quadrant I

Q: Use the given information to find the exact value of a. sin 20, b. cos 20, and c. tan 20. 28 cos 0 0…

A: Given,

Q: Write the following in terms of sin ? and cos ?; then simplify if possible. (Leave your answer in…

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Q: Find the value of sin M rounded to the nearest hundredth, if necessary. 7 N 24 M

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Q: Simplify the following trigonometric expression by following the indicated direction. cos 0 1+ csc 0…

A: Please refer the attached image for complete solution.

Q: Find the value of each trigonometric ratio to the nearest ten-thousandth. cos 61° 0.4848 O 0.0000 O…

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Q: Write the following in terms of sin ? and cos ?; then simplify if possible. I need to leave my…

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Q: Find each angle measure to the nearest degree. 1) sin B = 0.4848 2) sin A = 0.5150 %3D 3) cos A =…

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Q: 6. Find the length of XY to the nearest hundredth: Y 28° 5.1

A: To find the length of xy

Q: If sin (2a) cos (a +30), what is the value of a ? O20 O 20 O 30 О 50 O 110

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Q: Find sin A, cos A, tan A, and sin B, cos B, and tan B in right triangle ABC, with C 5 90°given the…

A: Given that a=1,b=2. Draw the △ABC with C=90° as shown below:

Q: Find the exact value of the following expressions. Do not use a calculator. (a) sin (660°) 15л (b)…

A: NOTE: Refresh your page if you can't see any equations. . use the rule  use the rule

Q: Simplify the expression by using a double-angle formula. 2 cos 20 – 1

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Q: Complete the steps by applying trig identities to show that the left hand side of the equation is…

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Q: use the half angle formula to find and exact value for the following  a) sin 22.5degree b) cos 105…

A: We will find the exact value of the given trigonometric entities by using the half angle formula in…

Q: Consider the right triangle shown below. For each of the following expressions, write an equivalent…

A: Sin(∅)= y/r  Cos(∅)= x/r

Q: Write the following values. a. sin b. cos 2 图 c. tan =

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Q: Use the trigonometric ratio cos e-0.6798 to determine which of the following is the correct value of…

A: We have to find trigonometry ratio

Q: Evaluate the expression under the given conditions. tan(20); cos(0) e in Quadrant I 13

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Q: a. sin 20 b. cos 20 C. tan 20 24 sin 0 = O lies in quadrant III 25

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Q: If tane = V3, e in quadrant III, find the value of (1 + cose) / (1 - cose). O 1/5 O 1/3

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Q: Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. (a) 2 sin(18°)…

A: In this question we will use basic of trigonometry i.e sin2θ=2sinθcosθ In first question we will put…

Q: Use the given information to find the exact value of a. sin 20, b. cos 20, and c. tan 20. 15 cos 9 =…

A: sin2θ= 2 sinθ cosθ cos2θ = cos2θ- sin2θ

Q: Use a calculator to find ? to the nearest tenth of a degree, if 0° < ? < 360° and cos( ?)=-0.7620…

A: Given: cos( x )=-0.7620 0° &lt; x &lt; 360°

Q: Use the given information to find the exact value of the expression 12 21 a lies in quadrant III,…

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Q: Evaluate the expression under the given conditions. 8 O in Quadrant I 17 tan(20); cos(0) Need Help?…

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Q: sin e, cos e 34) cos e sin e

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Q: Use a double-angle identity to simplify the following expression. Зл 1 – 2 sin?

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Q: Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. (a) 2 sin(18°)…

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Q: Which of the following is not an identity? A. cos?0 + sin²0 = 1 B. 1+ tan?0 = sec²0 C. cot20 + 1 =…

A: According to our guidelines we can answer only first question (Multiple Questions) and rest can be…

Q: Find the exact values of x and y of the following:  -400 degrees  -150 degrees  250 degrees   do not…

A: The period of a function is defined as the interval where the function repeats itself.

Q: Perform the indicated operation: 192 [ cos (196°) + i sin (196°) ]/ 16 [ cos (237°) +i sin (237°)1…

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Q: Use the given information and a calculator to find e to the nearest tenth of a degree, if 0° s0 <…

A: According  to the problem, We have