Help me out with this evaluate question plz..
Evaluate:
1-2(cos^2)25/1-2(sin^2)65
Give the answer in surd form
I did some steps but don’t know if it’s wrong or right
-cos2(25)/cos2(65)
-cos50/cos130
Don’t know how to take it any further...
Help me out with this evaluate question plz..
Evaluate:
1-2(cos^2)25/1-2(sin^2)65
Give the answer in surd form
I did some steps but don’t know if it’s wrong or right
-cos2(25)/cos2(65)
-cos50/cos130
Don’t know how to take it any further...