The answer is B part
As the requirement for the student is either a senior or one who studies maths or both.
So, just add the values within the two venn circles divide it by total no of values.
=> 240+40+110/240+40+110+840
=> 360/1200
Answer: 
Step-by-step explanation:
Given expression, 
= √(4×8)×√(4×7)×√3×√(3×√2)
= √4×√8×√4×√7×√3×√3×√2 ( because √(m×n)=√m×√n)
=√4×√4×√8×√2×√7×√3×√3
=4×√(4×2)×√2×√7×3
=4×√4×√2×√2×√7×3
=4×2×2×√7×3
=48√7
Thus,
=
Answer:
-definition of cosine
-definition of sine
-Pythagorean Theorem
-Substitution
-laws of exponents
Step-by-step explanation: