Trig identities

#1
Hi there guys,
Please can someone help with trigonometric identity...
1/1+sin*2x + 1/1-sin*2x = 2/cos*2x

Thnx!!
0
7 years ago
#2
(Original post by wallflower#1)
...
Be careful copying down the question. Pretty sure the trigonometric identity is

Anyway, show attempt? Try combining two fractions into one.

Good luck.
0
#3
(Original post by velvetcap)
Do you mean ?
yes,..... we've just started this topic in class. What's the first thing we need to do??
0
#4
(Original post by velvetcap)
Add the fractions, like . So where we used difference of squares in the denominator. Now use to get . It appears the question was what lazy_fish proposed.
Thank you =)...yes ur right, but i didn't exactly know what to still do
0
#5
(Original post by lazy_fish)
Be careful copying down the question. Pretty sure the trigonometric identity is

Anyway, show attempt? Try combining two fractions into one.

Good luck.
thanks :-)
0
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