# Answer on Calculus Question for maria pretty

Question #7146

My dear Expert please solve the following question.

what is fundamental law of trigonometry

what is fundamental law of trigonometry

Expert's answer

Dear visitor

This question has been already answered. You can use search to find out if your question is there in our database.

Anyway, the answer is that by "fundamental theorem of trigonometry" is often meant sin

triangle with a hypotenuse of one, sin(x) is one leg, and cos(x) is the

other. The Pythagorean Theorem states that a

This question has been already answered. You can use search to find out if your question is there in our database.

Anyway, the answer is that by "fundamental theorem of trigonometry" is often meant sin

^{2}(x) + cos^{2}(x) = 1, it is actually the Pythagorean Theorem. if you have a righttriangle with a hypotenuse of one, sin(x) is one leg, and cos(x) is the

other. The Pythagorean Theorem states that a

^{2}+ b^{2}= c^{2}and therefore sin^{2}(x) + cos^{2}(x) = 1.Need a fast expert's response?

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