Munoz Riley
03/11/2023 · Elementary School
2) \( 5 \sin 90^{\circ}-7 \cos 0^{\circ} \)
UpStudy ThothAI Solution
Tutor-Verified Answer
Step-by-step Solution
To evaluate the expression \( 5 \sin 90^{\circ} - 7 \cos 0^{\circ} \), we first need to find the values of \( \sin 90^{\circ} \) and \( \cos 0^{\circ} \).
1. \( \sin 90^{\circ} = 1 \)
2. \( \cos 0^{\circ} = 1 \)
Now, substituting these values into the expression:
\[
5 \sin 90^{\circ} - 7 \cos 0^{\circ} = 5(1) - 7(1)
\]
This simplifies to:
\[
5 - 7 = -2
\]
Thus, the final result is:
\[
\boxed{-2}
\]
Quick Answer
The result is -2.
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