Respuesta :

rdilkumari

Answer:

answer of 11

Step-by-step explanation:

given A=30°

R.H.S=2sinA cosA

=2 * sin30° * cos30°

[tex] 2 \times \frac{1}{2} \times \frac{ \sqrt{3} }{2} [/tex]

[tex] = \frac{ \sqrt{3} }{2} [/tex]

=sin60°

sin 2*30°

=sin2A

L.H.S=R.H.S

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