The sine of 49 degree is equal to the cosine of 41 degree, the answer is cos41.
Trigonometry is a branch of mathematics that deals with the relationship between sides and angles of a right-angle triangle.
We have:
= sin49
Let's suppose the angle is x at which the sine of 49° is equal to the cosine of x angle.
= sin(90-41)
= cos41
x = 41 degree
sin49 = cos41
Thus, the sine of 49 degree is equal to the cosine of 41 degree, the answer is cos41.
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