श्रेणी S = sin 206^(@) + sin 208^(@) + s...

श्रेणी `S = sin 206^(@) + sin 208^(@) + sin 210^(@) + ....+sin 1234^(@)` का योगफल है : (i) 515 (ii) `"cosec" (1)^(@)` (iii) 0 (iv) `(1)/(2)`

515

`"cosec" (1)^(@)`

`(1)/(2)`

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