Verify the identity cos (pi/2-x)= tanx
1 answer:
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To solve this, you have to know the formula for the area of a trapezoid:
In this question:
base 1 = 25
base 2 = 35
height = 12
The area is 360
In this question:
base 1 = 25
base 2 = 35
height = 12
The area is 360