[" 60."4ff

A storage capacitor on a RAM chip has a capacity 48fF. If the capacitor is charged to a potential of 4.6V, how many excess electrons are on its negative plate?

Prove that sin 3 A = 4 sin A sin (60° - A ) sin (60°+ A).

4 12 60 420 ? 41580

4 12 60 420 ? 41580

Show that :- 2[cos^4 60^@+sin^4 30^@]-[tan^2 60^@+cot^2 45^@]+3sec^2 30^@=1/4 .

If 60% of A=(3)/(4) of B , then A:B is

Find the value of (Tan^2 60 + 4Sin^2 45 + 3 Sec^2 30 + 10Cos^2 90)/(Cosec^2 60 + Cos 60 - Cot^2 60)

Prove that: "s i n A s i n"(60-"A")sin(60+"A")=1/4sin3"A"dot