3 years ago

1.Prove each statement. step by step PLEASE!!!

1 answer:

5 0

Answer:

Step-by-step explanation:

a. sin^-1(sin theta) = theta

(1/sin)(sin theta) = theta

<em>the sines cross out</em> theta = theta

b. cos(cos^-1x) = x

cos(x/cos) = x

<em>the cosines cross out </em>x = x

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