Question

Lim. sin (-x) + cos x
X --> π/4. -------------------- =…
tan x

a. -oo
b. 1/2√2
c. 1
d. √2
e. oo

Mohon bantuannya, terima kasih.

Answer 1

Lim(x→π/4) (sin (-x) + cos (x))/tan (x)
= (sin (-45°) + cos (45°))/tan (45°)
= (0)/1
= 0............ga ada di pilihan

coba cek lagi soalnya