Question

Select ALL the correct answers. For AABC, which two relationships are true?

Answer 1

Sin∅ = BC/AC = cos( 90 - ∅ ) and cos∅ = AB/AC = sin( 90 - ∅ ) so option (A) and (F) will be correct.

What is a trigonometric function?

The fundamental 6 functions of trigonometry have a range of numbers as their result and a domain input value that is the angle of a right triangle.

It will be possible to comprehend the graphs, domains, differentiation, and integration of the four quadrants' trigonometric functions.

Sinx = perp./hypo.

Cosx = base/hypo.

So,

Sin∅= BC/AC

cos( 90 - ∅ ) =  BC/AC

So,

Sin∅ = BC/AC = cos( 90 - ∅ )

And,

cos∅ = AB/AC

sin( 90 - ∅ ) = AB/AC

So,

cos∅ = AB/AC = sin( 90 - ∅ )

Hence the expression Sin∅ = BC/AC = cos( 90 - ∅ ) and cos∅ = AB/AC = sin( 90 - ∅ ).

For more information about the trigonometric function

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