juansantos7b
03.02.2020 •
Mathematics
Simplify the trigonometric expression. show your work
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Ответ:
See the attached picture for the solution:
Ответ:
Step-by-step explanation:
1/(1+sinθ) + 1/(1-sinθ)
= (1-sinθ)/[(1+sinθ)(1-sinθ)] + (1+sinθ)/[(1-sinθ)(1+sinθ)]
= [(1-sinθ) + (1+sinθ)] / [(1-sinθ)(1+sinθ)]
= [1 - sinθ + 1 + sinθ] / [1 - sin^2sθ]
= 2 / cos^2θ
Ответ:
c
Step-by-step explanation: