SOLUTION: Hello! My name is Aeriin yanu and I am having troubles with proving trigonometric identity. I just learned the lesson today and I don't really understand the lesson. Can you show m
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Question 198688: Hello! My name is Aeriin yanu and I am having troubles with proving trigonometric identity. I just learned the lesson today and I don't really understand the lesson. Can you show me how you can solve a trigonometric identity?
ex:
sin square root of 2 phata+ sin square root of 2 phata cotangentsquare root of 2 phata= 1
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
+\sin^2(\theta)\cot^2(\theta)=1)
... Start with the given equation.
+\sin^2(\theta)\left(\frac{\cos^2(\theta)}{\sin^2(\theta)}\right)=1)
... Replace cotangent with cosine over sine. Recall:
+\frac{\sin^2(\theta)\cos^2(\theta)}{\sin^2(\theta)}=1)
... Multiply
+\cos^2(\theta)=1)
... Cancel out the common terms.
... Use the identity
So this verifies the identity.
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