Answer:
Step-by-step explanation:
Given:
Need:
First, let's look at the identities:
sum: 
difference: 
The question asks to find sin(A - B); therefore, we need to use the difference identity.
Based on the given information (value and quadrant), we can draw reference triangles to find the simplified values of A and B.
sin(A) = 
cos(A) = 
sin(B) = 
cos(B) = 
Plug these values into the difference identity formula.
Multiply.
Add.
This is your answer.
Hope this helps!
So, by multiplying the exponents, you would add all of the square roots together. For example for your question you would add 1+1+4+5=11 so the answer is c to the power of 11
Answer: The length of pencil is 16 centimetres and length of crayons is 8 centimetres
Step-by-step explanation:
Let the length of crayon =
Length of a pencil =
As according to question that the sum of their length is 24 centimetres
So we have
Therefore the length of crayon = 8 centimetres
Length of pencil= 
centimetres
Hence, the length of pencil is 16 centimetres and length of crayons is 8 centimetres
2.943 × 10-²
= <span>2.943
----------
10²</span>
