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Katmando
Katmando asked in Science & MathematicsMathematics · 1 decade ago

Can you help me with this trig. problem?

Verify the following identities:

tan x + cot x = 2/sin (2x)

1 Answer

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  • yasser t
    Lv 5
    1 decade ago
    Favorite Answer

    sinx/cosx+cosx/sinx=(sin^2x+cos^2x)/(sinxcosx)=

    =(1/0.5sin2x)=2/sin2x

    *sin^2x+cos^2x=1

    **2sinx*cosx=sin2x

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