Answer:
49-63
Step-by-step explanation:
1. (7·7) - (7·9)
2. (49) - (63)
3. 49 - 63 = -14
Hoped I helped!! :)
Is there supposed to be a picture??!
Answer:
I can't this type of mathematics
Answer:
15/8
Step-by-step explanation:
tan 2θ = 2 tan θ / (1 − tan² θ)
tan 2θ = 2 (3/5) / (1 − (3/5)²)
tan 2θ = (6/5) / (1 − 9/25)
tan 2θ = (6/5) / (16/25)
tan 2θ = (6/5) × (25/16)
tan 2θ = 15/8
