SOLUTION: true or false. 1) sin θ = 1/cscθ, where sin θ ≠ 0. i thought it was true. 2) cos θ = 1/secθ, where cos θ ≠ 0. i thought it was true.

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Question 207158: true or false.
1) sin θ = 1/cscθ, where sin θ ≠ 0. i thought it was true.
2) cos θ = 1/secθ, where cos θ ≠ 0. i thought it was true.
thanks :]

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
They are both true. By definition, . If you solve for , you get


Similarly, . Isolating gets you


These identities are one of many which can be found here.

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