Homework Help for Calculus

calculate : 

cos(15).cos(30).cos(45)

Find the laplace transformation of cos ² wt

Find the area between the curve y=x (x-3) and the ordinates x=0 and x = 5.

What is the fullform of isro?

2. A small aircraft flies N 37 W with a constant ground speed of 300 km/h. The wind velocity is 80 km/h N 75 E. Determine the aircraft's air speed (to one decimal place) and its heading using true bearing (to the nearest degree).

Hello could someone help me with this question:

1. In 2020 there was a world pandemic. The World Health Organization advised countries to follow social distancing. Public health records indicate that t weeks after the outbreak of COVID-19, approximately Q(t)=   thousand people had caught the disease.

Is it right or not?

i don’t know it is right or not

Need help

It is hard for me

Write a degree 4 Maclaurin Polynomial for  

Evaluate the line integral along the parametric curves of f(x,y)=2x-y ; x=sint y=cos t 0<t<π/2

A certain tank of depth 10 ft is a surface of revolution formed by rotating y = x² about its axis. If the tank is full of water, find the work done in pumping the water to the top of the tank until the depth of the remaining water is 6 ft.

what are you trying to find

derivative of tanxsecx.

Need help with this one

Given f(x) = 4  (x), write the equation of the line tangent to y = k(h) when x =