Math, asked by siddharthm042, 1 year ago

Cos70/sin20+cos57 cosec33-2cos60

Answers

Answered by archiemehrotrap49wti

2

cos70/sin(90-70) + cos 57/sin(90-57) - 2*1/2
= cos70/cos70 + cos 57/cos 57 - 1
= 1+ 1-1
= 1

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