what is the value of cos^A(3-4cos^A)^+sin^A(3-4sin^A)^
what is the value of cos^A(3-4cos^A)^+sin^A(3-4sin^A)^
AKSHATA GAWANDE , 8 Years ago
Grade 11
Trigonometry> what is the value of cos^A(3-4cos^A)^+sin...
1 Answers
Arun
Dear student
When opwning bracket, it becomes-
3 cos A - 4 cosΒ³A + 3 sinA - 4 sinΒ³A
= Cos 3A + sin3A
Regards
Arun
Approved Last Activity: 8 Years ago
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