13. If x = 2 sec?0 and y = 2 tan” to theita - 1, then find x - y.
Answers
Answered by
3
Answer:
Given, x=2sin2θ,y=2cos2θ+1
To find: (x+y)
x+y=2sin2θ+2cos2θ+1
=2(sin2θ+cos2θ)+1 (As sin2θ+cos2θ=1)
=2+1
=3
hope it will help you
Similar questions