Question

find the value of cos6cos42cos66cos72​

Answer 1

Answer:

Find the value of k for which the system of equations given by K x + y=3 and x- y =4 has a unique solution. *

F : {(1, 2) (2, c) (4,d) (3,6)}g: {(2,a) (4,6) (1, () (3, d)}show that (gof)^-1 = (f^-1)o(g^-1). Please answer fast..

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HCF of 35 and 140 plz answer fast

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Find the value of 'm' if the equation 4y