Let 0 be an angle such that sec0= -13/12 and cot0<0. Find the exact values of tan0 and sin0.

Solution given;

Sec θ=-

cotθ< 0,

It lies in second quadrant.

where sin and cosec is positive.

Now

cosθ=

=

b=12

h=13

By using Pythagoras law

p=

Now

exact values of tan θ==

since it lies in II quadrant

tan θ=-

and

sinθ==

since it lies in II quadrant

sin θ=

no, x cannot be the same number. in all of them, x is 1. for one input there is another output. g is not a function

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