Find \(\int_{π/4}^{π/2}7 \,cosx \,dx\).
Posted: Wed Jul 13, 2022 8:08 pm
a) 7(1-\(\frac{1}{\sqrt{2}}\))
b) -7(1-\(\frac{1}{\sqrt{2}}\))
c) 7(1+\(\frac{1}{\sqrt{2}}\))
d) 7(\(\sqrt{2}-\frac{1}{\sqrt{2}}\))
b) -7(1-\(\frac{1}{\sqrt{2}}\))
c) 7(1+\(\frac{1}{\sqrt{2}}\))
d) 7(\(\sqrt{2}-\frac{1}{\sqrt{2}}\))