Answer:
Step-by-Step-explaination
9(−5ℎ) = - 45h
Answer:
tan 5π/24.
Step-by-step explanation:
We use the identity:
tan (A - B) = (tan A - tan B) / (1 + tan A tan B)
so the first expression simplifies to
tan ( π/3 - π/8)
= tan 5π/24.
Answer:
480
Step-by-step explanation:
1200 times 0.4 equals 480
Recall that

Dividing both sides by cosh²(x) gives

Also, recall the identity

Then

I think that £3250/month is better because why would you want to spend £4000 when you can spend £3250.