Question

if cosa=2/5 find the value of 4+4tan

Answer 1

Heya !!!




CosA = 2/5 = B/H



B = 2 and H = 5


By Pythagoras theroem,


( H )² = ( B )² + ( P)²


( P )² = ( H )² - ( B )²


( P)² = (5)² - (2)²


P² = 21



P = ✓21



Therefore,


TanA = P/B = ✓21/2



4 × Tan A = 4 × ✓21/2 = 2✓21



★ HOPE IT WILL HELP YOU ★

Answer 2

its your..ans...guys..