JEE Mains 12-Apr-2023 Shift 1 Solved Paper

Section: Mathematics

Question : 12 of 90

Marks: +1, -0

In a triangle ABC, if cos‌A+2‌cos‌B+cos‌C=2 and the lengths of the sides opposite to the angles A and C are 3 and 7 respectively, then cos‌A−cos‌C is equal to

[12-Apr-2023 shift 1]

‌
5
7
‌
9
7
‌
3
7
‌
10
7

Validate

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