Given x obtuse & sin x = k, find in terms of k an expression for...

[ntwebaze]

Given that x is an obtuse angle measured in radians and that sin x = k, find, in terms of k, an expressionfor
(i) cos x
(ii) tan x
(iii) sin (1+ pi)


*Please clearly explain the steps
Thank you

 

[pka]

Given that x is an obtuse angle measured in radians and that sin x = k, find, in terms of k, an expressionfor
(i) cos x
(ii) tan x
(iii) sin (1+ pi)

*Please clearly explain the steps

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