Question

please give me answer​

Answer 1

Answer:

it's your answer mate

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

Sin@ + sin^2@= 1

Sin@= 1-Sin^2@

.: Sin@= cos^2@

.:Sin^2@=cos^4@

=Cos^2@+cos^4@

=Sin@+sin^2@

=1

Hence,proved