Question

Show that tan480

tan 230

tan 420

tan 670=1​

Answer 1

Step-by-step explanation:

tan 480 = tan (450+30) = -1/√3 (tan theta is negative in 2nd quadrant)

tan 230 = tan (180+60) = √3 (tan theta is positive in 3rd quadrant)

tan 420 = tan (360+60) = √3 (tan theta is positive in 1st quadrant)

tan 670 = tan (630+40) = -tan 40 (tan theta is negative in 2nd quadrant)

Answer 2

Answer:

54inch

THIS IS YOUR ANSWER

HOPE YOU WILL UNDERSTAND

PLEASE MARK ME AS BRAINLIEST