7. Prove that: tancoProve that: I tante-tane =1+ sec acosec o1+sec 6.cosec u28. The angle of depression of the top and the bottom of an 8 m tall building from the top of amulti-storage building are 30 and 45", respectively. Find the height of the multi-storage buildingand the distance between the two buildings.nundrant of a circle of radius I cm is cut and also a circleingnortign of the square.

7. Prove that: tancoProve that: I tante-tane =1+ sec acosec o1+sec 6.c

1.	7. Prove that: tancoProve that: I tante-tane =1+ sec acosec o1+sec 6.cosec u28. The angle of depression of the top and the bottom of an 8 m tall building from the top of amulti-storage building are 30 and 45", respectively. Find the height of the multi-storage buildingand the distance between the two buildings.nundrant of a circle of radius I cm is cut and also a circleingnortign of the square.
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