518,588 views
4 votes
4 votes
I need help in math can you please help me5

I need help in math can you please help me5-example-1
User Houston
by
2.5k points

1 Answer

19 votes
19 votes

the given expression is

Sinx/ cscx + cosx/secx = 1

we know that

cosec(x) = 1/ sin(x)

and

sec(x) = 1 /cos(x)

put the values,


(\sin x)/((1)/(\sin(x)))+(cosx)/((1)/(\cos (x)))=1
(\sin x)^2+(\cos x)^2=1

thus, identity is


\sin ^2x+\cos ^2x=1

User Shawn Miller
by
3.1k points