Sin² x + sin x cos x = 0
sin x ( sin x + cos x ) = 0
sin x = 0 ; x 1 = k π ; k ∈ Z
sin x + cos x = 0 / ²
sin² x + 2 sin x cos x + cos² x = 0
2 sin x cos x + 1 =0
sin ( 2 x ) = - 1
x = 3π / 2 + 2 kπ / : 2
x 2 = 3π / 4 + kπ ; k ∈ Z
i don'd understand what you are asking...
Answer:
0, 4, 7, 9, 11 those r the answers in order
Answer:
B and C
Step-by-step explanation:
they have -5x, it doesn't really matter on their order