Math, asked by D0rdswpraAnooranoji, 1 year ago

cosec (65 degree + theta) - sec (25 degree - theta) - tan (55 degree - theta) + cot (35 degree + theta)

Answers

Answered by abhi178

18

cosec {90-(25-@)}-sec (25-@)-tan (55-@)+cot {90-(55-@)}=0
where @ let theta

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