Answer: B and D i looked it up and it said that
Step-by-step explanation:
Answer:
4 lol
Step-by-step explanation:
free point
Answer:
i know english only
Step-by-step explanation:
sorry but you stupit you not good at englis
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 
Answer:
x=100
Step-by-step explanation:
75=3/4x
4/3 × 75 = x
4 × 75 = 300
300/3= 100
100(3/4) = 75
x = 100