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:
only A
Step-by-step explanation:
A is correct because if a number is less than 7, the number under the square root will be negative, and that will yield an imaginary (or non-real number)
B is incorrect because even if you choose a number less than 7, the result will still yield a real number
C is incorrect due to the same logic as B
D is incorrect because you can take the cube root of a negative number without it being non-real.
Answer:
Jacinta will have more money
Step-by-step explanation:
- For the same amount of investment and interest rate, compound interest is greater with greater number of compounds.
- Continuous compound is closer to daily compound which makes more compounds and returns than quarterly compound.
The interest amount is provided below for quarterly and daily compound:
Jacinta will have more money
Any relationship with a constant rate of change will graph a (line)
Answer:
x+6
Step-by-step explanation:
first you open up brackets by BODMAS rule.. then its simple subtraction