Asked by Caleb
Simplify the trigonometric expression.
sin^2 theta / 1-cos theta
A. 1+cos theta
B. sin theta
C. 1-sin theta / cos theta
D. 1+sin theta / cos theta
sin^2 theta / 1-cos theta
A. 1+cos theta
B. sin theta
C. 1-sin theta / cos theta
D. 1+sin theta / cos theta
Answers
Answered by
MathMate
The expression as is when evaluated according to the BEDMAS rules would be equal to:
sin<sup>2</sup>θ - cosθ
since the division is done before the subtraction.
The expression should have been written
sin<sup>2</sup>θ/(1-cosθ)
in which case
= (1-cos<sup>2</sup>θ)/(1-cosθ)
=(1+cosθ)(1-cosθ)/(1-cosθ)
=1+cosθ
if θ≠2nπ, where n is an integer.
sin<sup>2</sup>θ - cosθ
since the division is done before the subtraction.
The expression should have been written
sin<sup>2</sup>θ/(1-cosθ)
in which case
= (1-cos<sup>2</sup>θ)/(1-cosθ)
=(1+cosθ)(1-cosθ)/(1-cosθ)
=1+cosθ
if θ≠2nπ, where n is an integer.
Answered by
Anonymous
so wuts the answer
Answered by
Anonymous
1+cosθ
Answered by
scoop dog
merci beaucoup
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