Question

If cos A=1/2find the value of tan A.​

Answer 1

Answer:

2 $\sqrt{1-1/4}$

Step-by-step explanation:

we know $sin^{2}$A + $cos^{2}$ = 1

$sin^{2}$ A =  1- $cos^{2}$A

sinA = $\sqrt{1-1/4}$

tanA= sinA/cosA

= $\sqrt{1-1/4}$/(1/2)

=2 $\sqrt{1-1/4}$