2024 If 8tanx 15 then sinx-cosx is equal to

If 8tanx 15 then sinx-cosx is equal to

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August undefined, 2024

WebAnswer (1 of 4): (sin x + cos x)/cos³ x = (sin x/cos³ x + cos x/cos³ x) = tan x sec² x + sec² x = sec² x (tan x + 1) = (tan² x + 1)(tan x + 1) = tan³ x ... WebThe only angle in this interval with cosine equal to 1 is 360 . It follows that x +60 = 360 that is x = 300 The only solution lying in the given interval is x = 300 . Exercises2 Solve the following equations for 0 < x < 2π a) 2cosx +sinx = 1 b) 2cosx −sinx = 1 c) −2cosx− sinx = 1 d) cosx− 2sinx = 1 e) cosx+2sinx = 1 f) −cosx+2sinx = 1

How to find cos 2x, when tan x = 15/8 and where 180≤x<270

WebFree math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math … WebSolution The correct option is A 0 Explanation for the correct option Step 1: Given information ∵ sin x + sin 2 x = 1 ⇒ sin x = 1 - sin 2 x ⇒ sin x = cos 2 x Or cos 2 x = sin … freezer suits near me

Why is cos -x equal to cos x? - Mathematics Stack Exchange

Web15 jan. 2010 · Cos (x) = Sin (2x) Using angle-addition, we have Sin (a+b) = Sin (a)Cos (b) + Sin (b)Cos (a). From that, we see Sin (2x) = Sin (x)Cos (x)+Sin (x)Cos (x) = 2Sin (x)Cos … WebClick here👆to get an answer to your question ️ If sinx/a = cosx/b = tanx/c = k, then bc + 1/ck + ak/1 + bk is equal to. Solve Study Textbooks Guides. Join / Login >> Class 10 >> Maths >> Introduction to Trigonometry ... Storms and Cyclones Struggles for Equality The Triangle and Its Properties. WebIf 8 tan x=15, then sin x cos x is equal toa 817b 177c 117d 717 Byju's Answer Standard X Mathematics Relation between Trigonometric Ratios If 8 tan x=15... Question If 8 tan x = … fast2money

If 8 tan x = 15, then sin x − cos x is equal - Brainly.in

How do you simplify the expression cosx+tanxsinx? Socratic

Web13 okt. 2024 · If `f (x)= cosx-sinx `, then `f' (pi/2)` is equal to Doubtnut 2.49M subscribers Subscribe 37 Share 4.1K views 4 years ago To ask Unlimited Maths doubts download Doubtnut from -... WebNow, we will derive the tan2x formula by expressing tan as a ratio of sin and cos. We will use the following trigonometric formulas: tan x = sin x/ cos x sin 2x = 2 sin x cos x cos 2x = cos 2 x - sin 2 x Using the above formulas, we have tan2x = sin 2x/cos 2x = 2 sin x cos x/ (cos 2 x - sin 2 x) fast2tech grammarlyWebThe right angled triangle associated with Tan (x) = 15/8 is a Pythagorean triplet 8, 15, 17. and so Cos (x ) = 8/17 and Sin (x) = 15/17. From the double angle formula Cos (2x) = (Cos (x))^2 - (Sin (x))^2 = (8/17)^2 - (15/17)^2 = -161/289, which is what was requested. RPW 5 y Use the identity cos (2x) = cos (x)^2 - sin (x)^2. fast2sms alternative

"Web15 jun. 2006 · If sin θ =5/13 and θ is acute, then what is the value of. ... 369. If 8tanx=15, what is the value of (sinx-cosx)? 370. If tanθ =3/4 and θ is acute, what is the value of … " - If 8tanx 15 then sinx-cosx is equal to

If 8tanx 15 then sinx-cosx is equal to

If sinx/a = cosx/b = tanx/c = k, then bc + 1/ck + ak/1 + bk is equal …

Web1 apr. 2024 · What does sinxcosx equal? Last edited by a moderator: Feb 4, 2013. Answers and Replies Sep 22, 2007 #2 rocomath. ... then B^2 is equal to? Nov 17, 2024; Replies 15 Views 553. Proving three angles are equal if they satisfy two conditions. Feb 17, 2024; Replies 18 Views 595. Prove a rational fraction is equal to another. http://www.math.com/tables/trig/identities.htm

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WebTan2x formula are tan2x = 2tan x / (1−tan^2x) and tan2x = sin 2x/cos 2x. 1-to-1 Tutoring. Math Resources. Resources. Math ... Also, the value of tanx is equal to zero whenever x … Web26 mrt. 2024 · Trigonometry Trigonometric Identities and Equations Fundamental Identities 1 Answer Jim G. Mar 26, 2024 secx Explanation: using the trigonometric identities ∙ xtanx = sinx cosx and secx = 1 cosx ∙ xsin2x + cos2x = 1 ⇒ cosx + sinx × sinx cosx = cos2x cosx + sin2x cosx = cos2x +sin2x cosx = 1 cosx = secx Answer link

Web12 jan. 2024 · If each one likes at least one of these two games, then find the ratio between the number of people who like only cricket and the number of people who like only tennis. Q8. A certain sum of money is distributed among Ravi, Rahul, and Raj in ratio 8 : 5 : 7 in such a way that share of Ravi was Rs. 1000 less than that the sum of share of Rahul and … Web18 mei 2024 · 8 tan x = 15 . So, tan x = 15/8 . In ∆ ABC, AC 2 = AB 2 + BC 2 . AC 2 = (15) 2 + (8) 2 . AC 2 = 225 + 64 = 289 . AC = 17 . Therefore, sin x = AB/AC = 15/17 . cos x = …

WebSolve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Web24 mei 2024 · If `y=log_(cosx)sinx,` then `(dy)/(dx)` is equal to

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WebProve that if tanA= 43, then sinAcosA= 2512 Medium Solution Verified by Toppr As sec 2A−tan 2A=1⇒secA=± tan 2A+1 =± 169 +1=± 1625=± 45 ⇒cosA= secA1 =± 54 And sin … fast 303010WebIf we write out the left hand side of the equation in terms of sine and cosine we get: cosx/sinx + sinx/cosx These two fractions can be put over a common denominator of sinxcosx to give: (cos 2 x + sin 2 x)/sinxcosx If we then use the well-known identity cos 2 x + sin 2 x = 1, we see that the above expression is equivalent to 1/sinxcosx, which is … freezers under counter argosWeb3 jun. 2016 · tanx = 15 8 = Perpendicular p Base b Hypotenuse ' h ' is given by h = p 2 + b 2 = 15 2 + 8 2 = 225 + 64 = 289 = 17 tanx is positive in first and third quadrant. Case i … fast 303000WebIf 8 tan x = 15, then sin x - cos x is equal to. 6. If, then = 7. If tan θ = 3/4, then cos 2 θ – sin 2 θ = 8. If θ is an acute angle such that tan 2 θ = 8/7, then the value of is. 9. If 3cos θ = 5 … fast 2 thaiWeb25 nov. 2024 · Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and … freezers under counter currysWeb27 apr. 2016 · 1. Intuitively cos ( − θ) measures the x -coordinate of a vector that measures θ degrees below the positive x -axis, so this is why we have cos ( − θ) = cos θ. Another … fast 303051WebSolution for If y = sin2x, the derivative dy/dx is equal to a. cos2x b. sin2x c, 2cosx d. 2sinx (SOLVE BY USING DIFFERENTIAL EQUATIONS) freezer supply