Answer:
Ah this is simple! It's 24 units.
Step-by-step explanation:
If you count the units where the flag starts and then where it ends, you get 6 on the x, and 4 on the y. Six times four is twenty-four.
I'll show you what I mean in the screenshot below.
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I hope this helps!
-No one
p.s Sorry for the bad handwriting haha. I'm not used to writing with a touchpad yet.
ignore my answer ;-; I read the question wrong
Answer:
Identity (a) can be re-written as
which we already proven in another question, while for idenity (b)
step A is simply expressing each function in terms of sine and cosine.
step B is adding the terms on the LHS while multiplying the one on RHS.
step C is replacing the term on the numerator with the equivalent from the pithagorean identity