31-05-2019
Mathematics

contestada

If sec theta =cos^2 theta then find value of sin ^4theta +2sin^2 theta+sin^2theta

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romannp romannp

31-05-2019

Answer:

0

Step-by-step explanation:

explanation is in above picture.

You just have to remember,

secA=1/cosA

(sinA)^2=1-(cosA)^2

Ver imagen romannp

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