Can you please answer this:What is sin2(43°) + cos2(43°) =
Can you please answer this:
What is sin2(43°) + cos2(43°) =
prabhat , 7 Years ago
Grade 12th pass
Trigonometry> Can you please answer this: What is sin2(...
2 AnswersDeepak Kumar Shringi
We need to evaluate the expression:
sin²(43°) + cos²(43°)
Using the fundamental trigonometric identity:
sin²(θ) + cos²(θ) = 1
Substituting θ = 43°:
sin²(43°) + cos²(43°) = 1
Thus, the final answer is:
1
Soumendu Majumdar
Dear Student,
For this question, all you need to know is a simple trigonometric identity which is
This is applicable for any real value of A, here A = 
which is a real value so the identity holds true;
Hence
Hope it helps!
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