Question

if 4 cos square theta -1=0,find the acute angle theta and find the value of 2tan theta/1-tan square theta and (also guess which class am I in to hv this sum) answer soon assignment to be submitted at 4

Answer 1

Answer:60 deg , -1/√3

Step-by-step explanation: 4 cos square theta - 1=0

cos square theta = 1/4

cos theta = 1/2

theta = 60°

2tan theta / 1-tan square theta = 2 tan60°/ 1-tan square 60°

= 2√3/1-3

= 2√3/-2

= -1/√3