If 8tanx 15 then sinx-cosx is equal to
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 -... Web7 dec. 2015 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators ...
If 8tanx 15 then sinx-cosx is equal to
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Web27 dec. 2024 · If 8tanx=15, then sinx−cosx is equal to (a) 178 (b) 717 (c) 171 11. If tanθ=7 1 , then cosec2θ+sec2θcosec2θ−sec2θ = (a) 75 (b) 73 (c) 121 (d) 43 12. If tanθ=43 , … 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 = …
WebKCET 2013: If sin x- sin y = (1/2) and cos x- cos y = 1, then tan(x + y) is equal to (A) (3/8) (B) -(3/8) (C) (4/3) (D) - (4/3). Check Answer and Solu Web22 okt. 2024 · Q(5) If 8tanx=15, then sinx-cosx=?? CLASS 10TH CHAPTER 8 TRIGONOMETRY RDSHARMA MCQ'S SOLUTION #Trignometric ratio #class10mathscbse #chapter 8 Trigonomet...
Web7 mrt. 2016 · 1 Answer Lovecraft Mar 7, 2016 cos(x)sin(x) = sin(2x) 2 Explanation: So we have cos(x)sin(x) If we multiply it by two we have 2cos(x)sin(x) Which we can say it's a … WebIf sin 2x=4 cosx, then x is equal to. Login. Study Materials. NCERT Solutions. NCERT Solutions For Class 12. NCERT Solutions For Class 12 Physics; ... If 3 x + 5 2 x + 7 = 4, then x is equal to. View More. Related Videos. Nature and Location of Roots. MATHEMATICS. Watch in App. Explore more. Discriminant. Standard XIII Mathematics.
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
Web30 mrt. 2024 · Example 5 Express tan−1 cosx/(1 − sinx ) , – π/2 < x < 3π/2 in the simplest form Lets first calculate cos x & 1 – sin x We know that cos 2x = 𝐜𝐨𝐬𝟐𝐱 – 𝐬𝐢𝐧𝟐𝐱 … twitter gnip pricingWebAnswer (1 of 5): tan x = 15/8 and 180<270 means that sin and cos are both negative tan x = sin x /cos x and sin^2 x + cos^2 x = 1, so sin x = -15/17, cos x = -8/17. cos 2x = cos^2 … talaria footwearWebIf 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 … twitter goddess natashaWebExplanation for the correct option. Find the d y d x. Given that, y = log cos x sin x. Using the property of logarithmic, log b a = log a log b. y = logsin x logcos x. Now using the quotient rule for differentiation i.e; d u v d x = v d u d x - u d v d x v 2. d y d x = [ logcos x × 1 sin x × cos x - logsin x × 1 cos x × ( - sin x)] ( logcos ... twitter gm tv channelWebIf 8tanx=15 , then sinx−cosx is equal to A 178 B 717 C 171 D 177 Viewed by: 903 students Solutions ( 1) Answer: D 150 Share Connect with 50,000+ expert tutors in 60 … talaria change orderWebFree 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 … twitter goat yazoWebProve 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 … twitter gnu