What if the sin is more than 90 degree and also the value is not

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Why are sin and cos defined for 90 degrees and above if such

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How to Calculate the Sides and Angles of Triangles Using

For all of the following, we are referring to the

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Class 10] If sin(A+B) =1 and cos(A-B)= √3/2, 0°< A+B ≤ 90° and A > B

If tan (A + B) = √3 and tan (A – B) = 1/√3, 0° < A + B ≤ 90°; A

Please help in C++, I am so confused, my code is not

Why was trigonometry extended beyond 90 degrees? What does Sin(231

If sin theta =-1/2, how would one find the value of theta between