Answer:
tan 15 + cot 15
= sin 15 / cos 15 + cos 15 / sin 15
= (sin²15 + cos²15) / (sin 15 cos 15)
= 1 / (1/2 sin 30)
= 2 / sin 30
= 2 / (1/2)
= 4
Step-by-step explanation:
2 other people
4x = 112
× = 112 ÷ 4
× = 28
Corresponding angles are equal
y = 28
