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Can you please answer this: What is sin2(43°) + cos2(43°) =

Can you please answer this:
What is sin2(43°) + cos2(43°) =

Grade:12th pass

2 Answers

Deepak Kumar Shringi
askIITians Faculty 4407 Points
3 years ago
562-2298_Capture.PNG
Soumendu Majumdar
159 Points
3 years ago
Dear Student,
For this question, all you need to know is a simple trigonometric identity which is
sin^2A + cos^2A =1
This is applicable for any real value of A, here A = 43^{\circ} which is a real value so the identity holds true;
Hence
sin^243 +cos^243=1
 
Hope it helps!

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