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bezimeni [28]
4 years ago
13

Can someone help me on trigonometry ?

Mathematics
1 answer:
Olenka [21]4 years ago
6 0
Using the image I gave you, you don't need to solve for x.
So tan is opposite/adjacent
sin: opposite/hypotenuse
cos: adjacent/hypotenuse
Take theta and do: adjacent/hypotenuse which is cosine
cos theta = adjacent/hypotenuse
cos theta = 1.5/9
inverse cos = 1.5/9 and the answer is: 80.4 degrees

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