Web11 mei 2024 · Explanation: 10sec2x +5tan2x −15 = 0 Replace sec2x by (1 + tan2x) from trig identity. 10(1 + tan2x) + 5tan2x −15 = 0 10tan2x +5tan2x −5 = 0 15tan2x = 5 --> tan2x = 1 3 tanx = ± √3 3 Trig table and unit circle give 4 solutions for tan x --> a. tanx = √3 3 --> x = π 6 and x = π 6 + π = 7π 6 b. tanx = − √3 3 --> x = 2π 3 and x = π+ 2π 3 = 5π 3 Web2) y = 8xsin17x. A) -136xcos17x + 8sin17x. B) 136xcos8x + 8sin17x. C) 136xcos17x + sin17x. ... 15tan 2 x. B) 15tan 3 xsecx. C) 15tan 4 x. D) 15tan 2 xsec 2 x. Provide an appropriate response. ... 23) The revenue from the sale of electric blankets is seasonal, ...
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WebQuestion 792275: prove that 15tan^2 +4sec^2 = 23 Answer by lwsshak3(11628) (Show … Web20 okt. 2024 · Tour Start here for a quick overview of the site Help Center Detailed … liebherr cnd5704 review
Verify Trig Identity 9sec^2 x - 5tan^2 x = 5 + 4sec^2 x ... - YouTube
WebSine calculator Tangent expression calculator. Expression with tan(angle deg rad): WebIf 15tan 2θ+4sec 2θ=23 then tan 2θ= .............. A 1527 B 45 C 1119 D 1 Medium Solution … 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. mcleod vascular surgery florence sc