Given 29 sinA =20 find 2+cotsquareA
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Sin A=20/29=hieght/hypotenuse
By Pythagoras theorem
Base =21
Then
Cot =base/Hieght =21/20
Cot²A=441/400
2+441/400
(800+441)/400
1241/400 is your answer
By Pythagoras theorem
Base =21
Then
Cot =base/Hieght =21/20
Cot²A=441/400
2+441/400
(800+441)/400
1241/400 is your answer
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