What is the value of (cos9A+cos5A/sin9A-sin5A) HomeQuantitative aptitudeWhat is the value of (cos9A+cos5A/sin9A-sin5A)quantitative aptitudeWhat is the value of (cos9A+cos5A/sin9A-sin5A)?(a) cot 2A(b) cot A.(c) tan 2A(d) tan ASol:
In a class, 15% of total number of students failed in Science, 25% of total number of students failed in Maths and 10% of total number of students failed in both. How much percentage of students passed in both Maths and Science?
