tan7θ tan3θ = 1
express in terms of sin and cos:
sin7θ sin3θ = cos3θ cos7θ
cos3θ cos7θ - sin7θ sin3θ = 0
Things should be starting to look familiar now . . .
Tan 7 theta × tan 3 theta = 1 find the value of theta
1 answer
1 answer