sin40 25mins.cos19 35mins+cos40 25mins.sin19 35mins=?
sin40 25mins.cos19 35mins+cos40 25mins.sin19 35mins=?
navya , 9 Years ago
Grade 11
Trigonometry> sin40 25mins.cos19 35mins+cos40 25mins.si...
1 Answers
Sourabh Singh
Last Activity: 9 Years ago
It will be sin 60
and the answer will be sqrt(3)/2
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