trig Identities 4

Mathematics
Tutor: None Selected Time limit: 1 Day

Which of the following possible trigonometric identities can be verified? Select all that apply.

Dec 17th, 2014

Looking at L.H.S: 

sin(x) + cos(x) * cos(x)/sin(x) 

sin(x) + cos²(x)/sin(x) 

Getting a common denominator of sin(x): 

[sin²(x) + cos²(x)]/sin(x) = 1/sin(x) = csc(x)

Dec 17th, 2014

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