Question

if sinQ +sin^2Q=1 find cos^2Q+cos^4Q=​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

sinQ+(sinQ)^2=1

sinQ+1-(cosQ)^2=1

(cosQ)^2=sinQ

(cosQ)^2+(cosQ)^4

simQ+(sinQ)^2=1