Answer:
Step-by-step explanation:
sum of angles of parallelogram=360 degrees
adjacent angles add up to 180 degrees (supplementary angles)
Angle A=104 (DAB=104)
Angle D=180-104=76 degrees (angle ADB)
Angle B=60 degrees
Angle C=180-60=120 (DCB)
Step-by-step explanation:
2(cos 75)(cos75) -1
=2(0.6699) -1
=1.3398-1
=0.3398
Answer:
a)
b)
Solution:
a)
we are finding the derivative from position to velocity thus
units = 
b)
