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Find the exact value of tan 165

WebJun 21, 2024 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact … WebJul 21, 2015 · Find cos 165 deg Ans: − √2 +√3 2 Explanation: Call cos 165 = cos t ->> cos 2t = cos 330 = cos (-30 + 360) = cos -30 = cos30 = √3 2. Use trig identity: cos2t = 2cos2t − 1 2cos2t = 1 + √3 2 = 2 + √3 2 cos2t = 2 + √3 4 cos165 = cost = ± √2 + √3 2 Since 165 deg is in Quadrant II, take the negative number as answer. Answer link

Use a half-angle identity to find the exact value of tan 165 …

WebThe value of tan 105 degrees can be calculated by constructing an angle of 105° with the x-axis, and then finding the coordinates of the corresponding point (-0.2588, 0.9659) on the unit circle. The value of tan 105° is equal to the y-coordinate (0.9659) divided by the x-coordinate (-0.2588). ∴ tan 105° = -2 - √3 or -3.7321 WebApr 23, 2010 · Thanks for your reply. In answer to "Notice that 165 degrees = 180 degrees - 15 degrees.Does that suggest an identity that you could use to get the exact value of tan(165 degrees)?", I asked someone about this and they explained to me that I could use the special triangle angles, but just use them in a different quadrant. princess\\u0027s spear manga https://etudelegalenoel.com

Solved Find the exact values of the sine, cosine, and - Chegg

Webalgebra. use the given function value (s) and the trigonometric identities to find the indicated trigonometric functions. sin 60° = √3/2 , cos 60° = 1/2 , cos 30°. algebra. find the exact value of the trigonometric expression given that sin u = 5/13 and cos v = -3/5. (Both u and v are in Quadrant II.) cos (u - v) WebTrigonometry. Trigonometry (from Ancient Greek τρίγωνον (trígōnon) 'triangle', and μέτρον (métron) 'measure') is a branch of mathematics concerned with relationships between … princess\\u0027s ov

Find the Exact Value sin(105) Mathway

Category:Solved Find the exact values of the sine, cosine, and - Chegg

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Find the exact value of tan 165

How do you find the exact values of tan 165° using the …

WebMar 26, 2016 · To find tan 60º, you must locate 60° on the unit circle and then use the corresponding point on the unit circle to obtain the sine and cosine values to calculate the tangent: Substitute the trig values from Step 3 into the formula. This step gives you which simplifies to Rationalize the denominator. WebWith a little effort we should be able to answer this with: Yes. 165 = (1/2) (330) and 330 is a special angle. So: Let x = 330/ Then (1/2)x = 165. Now we can use. Replacing x with 330 …

Find the exact value of tan 165

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Webtan ⁡ (− 165 °) = tan ⁡ − 330 ° 2 = 1 − cos ⁡ (− 330) ° 1 + cos ⁡ (− 330 °) \tan\left( -165\text{\textdegree}\right) = \tan\dfrac{-330\text{\textdegree}}{2} = \sqrt{\dfrac{1 … WebExpert Answer. Use a half-angle formula to find the exact value of the following expression. Tan 105 degree determine an appropriate half-angle formula for sine and the measure of the angle. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal.) tan 105 degree = 1 + sing degree/cos ...

WebUsing the Sum and Difference Formulas for Tangent. Finding exact values for the tangent of the sum or difference of two angles is a little more complicated, but again, it is a matter of recognizing the pattern. Finding the sum of two angles formula for tangent involves taking quotient of the sum formulas for sine and cosine and simplifying. WebFind the Exact Value sin(105) Step 1 Apply the reference angleby finding the anglewith equivalenttrig values in the first quadrant. Step 2 Split into two angleswhere the values of the six trigonometric functionsare known. Step 3 Apply the sumof anglesidentity. Step 4 The exact value of is . Step 5 The exact value of is . Step 6

WebTrigonometry. Trigonometry (from Ancient Greek τρίγωνον (trígōnon) 'triangle', and μέτρον (métron) 'measure') is a branch of mathematics concerned with relationships between angles and ratios of lengths. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies. WebDec 23, 2024 · Trig calculator finding sin, cos, tan, cot, sec, csc. To find the trigonometric functions of an angle, enter the chosen angle in degrees or radians. Underneath the calculator, the six most popular trig functions will appear - three basic ones: sine, cosine, and tangent, and their reciprocals: cosecant, secant, and cotangent.

WebFind the exact values of the sine, cosine, and tangent of the angle. 165° = 135° + 30° sin 165 degrees= cos 165 degrees= tan 165 degrees= Expert Answer 100% (4 ratings) …

WebQuestion: Use a half-angle formula to find the exact value of the following expression. tan 165 degree Determine an appropriate half-angle formula for sine and the measure of the … plsd athleticsWebJun 16, 2024 · For example, the problem I am asking about is: 10) Find the exact values of the. find the exact value of sin 11pi/12 using the sum or difference formula. 1) Find the exact value of the expression: tan−1(tan(−120651/47π))... How do you find Tan(-120651/47pi)? I don't know how to find exact values, if it's not a recognizable value. … princess\u0027s spear mangaWebUsing the Sum and Difference Formulas for Tangent. Finding exact values for the tangent of the sum or difference of two angles is a little more complicated, but again, it is a matter of recognizing the pattern. Finding the sum of two angles formula for tangent involves taking quotient of the sum formulas for sine and cosine and simplifying. princess\u0027s tiWebIf 165 is double or half of a special angle then the answer is yes. With a little effort we should be able to answer this with: Yes. 165 = (1/2) (330) and 330 is a special angle. So: Let x = 330/ Then (1/2)x = 165 Now we can use Replacing x with 330 and (1/2)x with 165 we get: princess\u0027s thWebMay 20, 2024 · Looks like the one with sine in the denominator will be best: tan( − 15∘) = 1 − cos( −30∘) sin( − 30∘) = 1 − √3 2 − 1 2 = √3 − 2. Let's check that by calculating sine and cosine with the difference angle formulas. cos( − 15) = cos(30 −45) = cos30cos45 +sin30sin45 = √2 4 (√3 +1) sin( − 15) = sin(30− 45 ... princess\u0027s son is calledWebThe tan of 165 degrees equals the y-coordinate (0.2588) divided by x-coordinate (-0.9659) of the point of intersection (-0.9659, 0.2588) of unit circle and r. Hence the value of tan … plsd lynchWebSep 29, 2016 · sin165∘ = 1 4 (√6 − √2) Explanation: Some things we will use: sin(θ) = sin(180∘ − θ) sin(α −β) = sinαcosβ −sinβcosα sin45∘ = cos45∘ = √2 2 sin30∘ = 1 2 cos30∘ = √3 2 Hence we find: sin165∘ = sin(180∘ − 165∘) sin165∘ = sin15∘ sin165∘ = sin(45∘ −30∘) sin165∘ = sin45∘cos30∘ − sin30∘cos45∘ sin165∘ = √2 2 √3 2 − 1 2 √2 2 sin165∘ = 1 4 … pls dimension reduction