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2sin2^(0)+4sin4^(0)+6sin6^(@)+cdots+180^...

2sin2^(0)+4sin4^(0)+6sin6^(@)+cdots+180^(@)sin19^(@)

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Prove that 2sin2^(0)+4sin4^(0)+6sin6^(0)+......+180sin180^(@)=90cot1^(0)

Prove that 2sin2^(@)+4sin4^(@)+6sin6^(@)+...+180sin180^(@)=90cot1^(@)

The arithmetic mean of the numbers 2sin2^(@), 4sin4^(@), 6 sin 6^(@), …………. 178 sin 178^(@), 180 sin 180^(@)

The arithmetic mean of the numbers 2sin2^(@), 4sin4^(@), 6 sin 6^(@), …………. 178 sin 178^(@), 180 sin 180^(@)

Prove that 2 sin 2^(@)+4sin 4^(@)+6sin 6^(@)+........+180sin 180^(@)=90 cot 1^(@) .

Prove that 2 sin 2^(@)+4sin 4^(@)+6sin 6^(@)+........+180sin 180^(@)=90 cot 10^(@) .

Prove that 2 sin 2^(@)+4sin 4^(@)+6sin 6^(@)+........+180sin 180^(@)=90 cot 10^(@) .

The arithmetic mean of the numbers 2s in2^0,4sin4^0,6sin^0, ddot, 178s in 178^0,180sin180^0 is sin1^0 b. "tan"1^0 c. cot1^0 d. t a n 89^0