Answer: Ф = 20
Step-by-step explanation:
sin2Ф = cos (Ф+ 30 )
if sinα = cosβ , then α and β are complementary ,that is they add up to be
.
Therefore : 2Ф + Ф + 30 = 90
3Ф + 30 = 90
3Ф = 90 - 30
3Ф = 60
Ф = 20
Answer:332
Step-by-step explanation:
The absolute value of most is a positive. 24
Answer:
it would be C
Step-by-step explanation:
5(10%)+25%