Question

what is the value of cos square 47 - sin sqare
43

Answer 1

0 is the answer of ur question

Answer 2

Answer:

Answer is zero.

Step-by-step explanation:

$Q: cos^{2} 47 - sin^{2} 43 \\\\     cos^{2} 47 - cos^{2} (90 - 43)   // [ sin^{2} \alpha =  cos ^{2} (90 - \alpha)  ]\\\\cos^{2} 47 - cos^{2} 47 = 0$