Write the value of sin43×cos 47+cos43×sin47??Please make it fast...
Write the value of sin43×cos 47+cos43×sin47??
Please make it fast...
Sraavan r s , 6 Years ago
Grade 10
Trigonometry> Write the value of sin43×cos 47+cos43×sin...
1 Answers
Arun
Dear student
As we see that it is of the form of sin (A + B) = sin A cos B + cos A sinB
hence it is sin (43 +47) = sin (90) = 1
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