Question

Хелпаните...........​

Answer 1

5)

ctg x = 1

x = π/4 + πn, n є Z

tg x = -1

x =  -π/4 + πk, k є Z

cos x = 0

x = π/2 + πn, n є Z

sin x = 1

x = π/2 + 2πk, k є Z

6)

7^x = 49

7^x = 7^2

x = 2

log_5 x = 4

5^4 = x

5^4 = 625

√(x-3) = 7

x-3 = 49

x = 52

7)

y=x^95 - cos x

y' = 95x^94 + sin x

y=x^5 - sin x

y' = 5x^4 - cosx