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topjm [15]
3 years ago
11

How do I solve

a ) = .8325" alt=" \sin( a ) = .8325" align="absmiddle" class="latex-formula">

It says "Round to the nearest tenth."​
Mathematics
1 answer:
Serga [27]3 years ago
4 0

Answer:

a=56.4\degree

Step-by-step explanation:

Let a be an acute angle.

To solve: \sin(a)=0.8325, we take the sine inverse of both sides to obtain:

\sin^{-1}(\sin(a))=\sin^{-1}(0.8325)

Recall  composition property of a function and its inverse function.

f^{-1}(f(x))=x

We apply this property to the left hand side to obtain;

a=\sin^{-1}(0.8325)

We now use our scientific calculator to obtain;

a=56.3564115\degree

We round to the nearest tenth to obtain;

a=56.4\degree

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