If `2cosx+sinx=1,` then find the value of `7cosx+6sinxdot`

If 0 < x < 5/4 and cosx+sinx=5/4 then the value of 16(cosx-sinx)^2 is

Find the derivative of (cosx)/(1+sinx)

Find the derivative of sinx +cosx

If L=lim_(x->0)(e^(-(x^2/2))-cosx)/(x^3 sinx), then the value of 1/(3L) is

Find the derivative of (sinx+cosx)/(sinx-cosx)

Find the period of "cos"(cosx)+cos(sinx)dot

If f(x)=lambda|sinx|+lambda^2|cosx|+g(lambda) has a period = pi/2 then find the value of lambda

"If " int(2cosx-sinx+lambda)/(cosx+sinx-2)dx=A " In"|cosx+sinx-2|+Bx+C, " then the value of " A+B+|lambda| " is"-.

If sin(sinx+cosx)=cos(cosx-sinx), and largest possible value of sinxi spi/k , then the value of k is______.

Find the range of f(x)=1/((cosx-3)^2+(sinx+4)^2)