solve x 2tan(inverse)(sin x)=tan(inverse)(2sec x) 0<x<90
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Hello, prasum! Let: . .[1] And the equation becomes: . Take the tangent of both sides: . . . And we have: . Substitute [1]: . . . And we have: . Since Therefore: .
Originally Posted by Soroban Hello, prasum! Let: . .[1] And the equation becomes: . Take the tangent of both sides: . . . And we have: . Substitute [1]: . . . And we have: . Since Therefore: . thanks
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