SOLUTION: Please help me prove the following identities:
a) cot^2σsin^2σ + sin^2σ=1
b) cosσsecσ/1+tan^2σ=cos^2σ
c) sin2x/1+cos2x=tanx
d) csc2A = c
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Question 749613: Please help me prove the following identities:
a) cot^2σsin^2σ + sin^2σ=1
b) cosσsecσ/1+tan^2σ=cos^2σ
c) sin2x/1+cos2x=tanx
d) csc2A = cot2A= cotA
Thank you,
-Nie
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Please help me prove the following identities:
a) cot^2σsin^2σ + sin^2σ=1
..
b) cosσsecσ/1+tan^2σ=cos^2σ
..
c) sin2x/1+cos2x=tanx
d) csc2A = cot2A= cotA
??
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