cos 2 x sin 2 x 0 Compute answers using Wolfram s breakthrough technology knowledgebase relied on by millions of students professionals For math science nutrition history geography
Math stackexchange questions 2502017 solution of cos2x a sin2x 0 You can rearrange to get tan 2x frac 1 A The general solution is x frac 1 2 arctan left frac Solve this quadratic equation Because a b c 0 one real root is t1 1 and the other is t2 1 2 Next solve the basic trig equation t1 sinx 1 x 2 Solve t2
cos 2 x sin 2 x 0
cos 2 x sin 2 x 0
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Pembuktian Cos2x cos 2x sin 2x Dan Sin 2x 2sinxcosx Trigonometry
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Solve trig equation Explanation 4cos2x 5sinx cosx 6 0 Try to transform the equation into a linear function in sin 2x and cos 2x Replace 4cos2x 2 1 cos2x What is the value of tanx Solve the basic trig equation t1 sin x 1 x 3Pi 2 Solve t2 sin x 1 2 x Pi 6 and x 5Pi 6 Within period 0 2Pi there are 3 answers Pi 6 5Pi 6 and 3Pi 2
For example the equation sin x 1 sin x 1 0 sin x 1 sin x 1 0 resembles the equation x 1 x 1 0 x 1 x 1 0 which uses the factored form of Using trigonometric identities Trigonometric identities like sin cos 1 can be used to rewrite expressions in a different more convenient way For example 1 sin cos can be rewritten as cos cos and then as cos Created by Sal Khan
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Factor by grouping Tap for more steps 2sin x 1 sin x 1 0 2 sin x 1 sin x 1 0 If any individual factor on the left side of the equation is equal to 0 0 the entire Use inverse trigonometric functions to find the solutions and check for extraneous solutions A basic trigonometric equation has the form sin x a cos x a tan x a cot x a The
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cos 2 x sin 2 x 0 - Solve the basic trig equation t1 sin x 1 x 3Pi 2 Solve t2 sin x 1 2 x Pi 6 and x 5Pi 6 Within period 0 2Pi there are 3 answers Pi 6 5Pi 6 and 3Pi 2