Establish the identity.cot(? - ?) = - cot ?
What will be an ideal response?
cot(? - ?) = 
= 
= 
= 
= - cot ?
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Use the given transformation to evaluate the integral. src="https://sciemce.com/media/4/ppg__ttt0610191256__f1q36g7.jpg" alt="" style="vertical-align: -4.0px;" />
where R is the trapezoid with vertices at 
A. 
sin 1
B. 
sin 1
C. 
sin 2
D. 
sin 2
Solve the problem.The length of a rectangle is 4 meters, and the width is 3 meters. Find the measure of the diagonal of the rectangle.4 meters
A. 10 meters B. 5 meters C. 4 meters D. 6 meters
Find the perimeter.
A. 6 in. B. 21 in. C. 36 in. D. 42 in.
Solve the problem.The height of a triangle is 2 centimeters less than its base. If the area of the triangle is 39 square centimeters, find the base and height of the triangle. Round to the nearest tenth of a centimeter if necessary.
A. base: 7.9 cm, height: 5.9 cm B. base: 7.9 cm, height: 9.9cm C. base: 11.9 cm, height: 9.9 cm D. base: 9.9 cm, height: 7.9 cm