Prove that: (sin A + cosec A)2 + (cos A + seua)tanding on the bank of a river observes that the angle of elevationconservation of29. Aperson sAof the top of a building of an organisation working forwild life, standing on theaway from the bank, he finds the angle of elevation to be 30°. Find theopposite bank is 60°. When he moves 40 metresheight of the building and the width of the river.fiwhere ABCD is a square

Prove that: (sin A + cosec A)2 + (cos A + seua)tanding on the bank of

1.	Prove that: (sin A + cosec A)2 + (cos A + seua)tanding on the bank of a river observes that the angle of elevationconservation of29. Aperson sAof the top of a building of an organisation working forwild life, standing on theaway from the bank, he finds the angle of elevation to be 30°. Find theopposite bank is 60°. When he moves 40 metresheight of the building and the width of the river.fiwhere ABCD is a square
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