Use the parenthesis and join it together to make an addition sign. Then plug 48 +12 into a calculator. ANSWER: 60
Answer:
Step-by-step explanation:
by synthetic division
3) 1 -1 -11 15
| 3 6 -15 (add)
____________
1 2 -5 |0
x²+2x-5=0

Answer:
i think it is answer choice 2
Step-by-step explanation:
it is the only answer that works with the reciprocal
Answer:
is used to prove the given equation.
Step-by-step explanation:
We have given an equation:

We will consider right hand side first
tan x can be written as:

So, on substituting tan x in the left hand side of the given equation we get:

Cancel common term from denominator and numerator which is cosx we get

And we have an identity:


Hence, right hand side is equal to
.