Answer:
a) , , , , b) , , ,
Step-by-step explanation:
a) The equation must be rearranged into a form with one fundamental trigonometric function first:
Value of x is contained in the following sets of solutions:
,
,
b) The equation must be simplified first:
Value of x is contained in the following sets of solutions:
,
,
Answer:
what is cos and sin ?
Step-by-step explanation:
Step-by-step explanation:
f(2)= -2×2×2+ 6×2 -7
=-8+12-7
=-3
The answer is .
Solution:
Use algebraic identity:
For example:
Given expression and .
To multiply these equations.
Combine like terms together.
Hence the answer is .
Answer:
11 units
Step-by-step explanation:
simply subtract -3 from 8, which is the same as adding 3 and 8, so the answer is 11 units.