Answer:
sin75º=sin(30)º+45º)
=sin 30 cos 45+cos 30 sin 45
=1/2*√2/2+√3/2*√2/2
=√2/4+√6/4
=(√2+√6)/4
Check with calculator:
sin 75º≈0.9659
exact value=(√2+√6)/4≈0.9659
Answer: A straight angle
Step-by-step explanation:
90 + 90 = 180
Answer:

Step-by-step explanation:
"At most 4" means it can be 4 or less.
That is the same as "less than or equal to 4"
Let x = number of frogs the princess kissed.

In proportional, it is y/x=k or y=kx
basically it is like y=mx+b, it is a line