Math, asked by harshra2810, 3 months ago

14 If tana = p and tanß = q prove that
1-pg
cos(a + B) =
(1 +p2) (1 +q)

Answers

Answered by gimmelike

0

Step-by-step explanation:

0

2+2+2+ 2 + 2 + 2 = ?

२

3+3+ 3+ 3 + 3+3=

2

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