﻿ If sec A tan B + tan A sec B = 91, then the value of (sec A sec B + tan A tan B)2 is equal to : Kaysons Education

# If Sec A Tan B + Tan A Sec B = 91, Then The Value Of (sec A Sec B + Tan A Tan B)2 is Equal To

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## Question

### Solution

Correct option is

8282

(sec A sec B + tan A tan B)2 – (sec A tan B + tan A sec B)2

(sec A + sec B + tan A + tan B)2 = (91)2 + 1 = 8282.

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