Q9 of 48 Page 86

Prove the following:

Taking L.H.S we get,



⇒


⇒


⇒ 1 + 1 –8 sin2 30˚


⇒ 2 – 8 ()2


⇒ 2 – 8.


⇒ 2 – 2 = 0.


= R.H.S


Hence, proved.


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