5, 40.5 Inverses dep 16304510 ec Owww.webassign.net/web/Student/Assi 16. 0-1 poi

Question

5, 40.5 Inverses dep 16304510 ec Owww.webassign.net/web/Student/Assi 16. 0-1 points SAgTng4 65023. Find the exact value of the expression, if it is defined. (If an answer is undefined, enter UNDEPINED Need Help? Resd hYanch 17. O-1 points SAigTrig4 6.5.024 Find the exact value of the exp the exact value of the expression, if it is defined. (If an answer is undefined, enter UNDEFINED.) -1 Need Help? Rad R O-1 points SAigTrig4 6.5.025 18. Find the exact value of the expression, if it is defined. (If an answer is undefined, enter UNDEFINED tan(tan-1)) Need Help? aWch F2 PS

Explanation / Answer

Solution:(16)

Let x = sin^-1 (1/7)
You have to find the value of sin x.
And you know sin x = 1/7 (since x = sin^-1 (1/7))

So, sin(sin^-1 (1/7)) = sin(x) = 1/7

Solution:(17)

Let x = cos^-1 (8/9)
You have to find the value of cos x.
And you know cos x = 8/9 (since x = cos^-1 (8/9))

So, cos(cos^-1 (8/9)) = cos(x) = 8/9

Solution:(18)

Let x = tan^-1 (7)
You have to find the value of tan x.
And you know tan x = 7 (since x = tan^-1 (7))

So, tan(tan^-1 (7)) = tan(x) = 7

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