Question

79) \sqrt{\sec^2\theta - \tan^2\theta} = 0 A) Identity B) Not an identity 

          79) \sqrt{\sec^2\theta - \tan^2\theta} = 0
A) Identity
B) Not an identity
79) √(sec^2θ- tan^2θ) = 0 A) Identity B) Not an identity

Added by Alexis F.

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Precalculus with Limits
Precalculus with Limits
Ron Larson 2nd Edition
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sqrt(sec^(2) heta -tan^(2) heta )=0 A) Identity B) Not an identity 79sec20-tan20=0 A)Identity B Not an identity
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Transcript

-
00:01 Hello and welcome to number eight.
00:04 I have to tell in the question which of the following is not an identity.
00:09 So let us start with a identity is when we can just prove left and side equal to right inside...
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