Math, asked by vaishnavivasanthi04, 9 months ago

cos 90 degree =1-2sin square 45 Degree 2 cos square45 degree -1 verify​

Answers

Answered by Eshwanth007
0

Answer:

Step-by-step explanation:

Cos^2 45=1/2

=2*1/2-1=0

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