Grade 11Trigonometry
cos^2(45-alpha)+cos^2(15+alpha)-cos^2(15-alpha)=?a.0b.1
cos^2(45-alpha)+cos^2(15+alpha)-cos^2(15-alpha)=?
a.0
b.1
1 Answer
Deepak Kumar Shringi
Approved Tutor Answer7 Years ago
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