Trigonometric Ratios and Identities

Section: Mathematics

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Question : 5 of 64

Marks: +1, -0

Let cos(α+β)=−‌

1

10

and sin‌(α−β)=‌

3

8

, where 0<α<‌

π

3

and 0&<β<‌

π

4

.
If tan‌2‌α=‌

3(1−r√5)

√11(s+√5)

,r,s∈N, then r+s is equal to ____ .

[22 Jan 2026 Shift 2]

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