Question

19. If tan 8+ sino = m and tan -sin0 = n. then m'-' is equal to​

Answer 1

Step-by-step explanation:

$\tan\gamma + \sin\alpha = m$

$\tan\gamma - \sin\alpha = n$

Adding two Equations

$2 \tan \gamma = m + n$

Subtracting two Equations

$2 \sin\alpha = m - n$