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Mathematics
Mathematics
Problem
Which of the following is equal to
sin
(
90
∘
−
θ
)
\sin(90^\circ-\theta)
sin
(
9
0
∘
−
θ
)
? a)
−
cos
θ
-\cos\theta
−
cos
θ
b)
sin
θ
\sin\theta
sin
θ
c)
cos
θ
\cos\theta
cos
θ
d)
tan
θ
\tan\theta
tan
θ
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