Question

Trigonometric ratios

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Answer 1

look at 40 degree angle.

you have one side as 16

is is opposite side to 40 degree angle or adjacent side ??

Answer 2

Adjacent @hartnn

Answer 3

thats correct:)
and 'x' is the hypotenuse

so which ratio relates ADJACENT SIDE and HYPOTENUSE of a right triange ?

Answer 4

Tangent

Answer 5

tangent related opposite side and adjacent sides.
not hypotenuse

Answer 6

\(\huge \cos \theta =\dfrac{adjacent ~side }{hypotenuse} =??\)

Answer 7

here theta = 40 degrees

Answer 8

I'm getting 12.256 So is it B?

Answer 9

x = 16/ cos 40 = 16/0.766 = 20.887