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Study bachelor degree and masters degree in math questions, trigonometry basics online course has multiple choice question (MCQs): sin(45°+α) = with options sinα+cosα, sinα-cosα, 1/√(2)(sinα+cosα) and none of above with online learning guide for international exams' preparation like science Olympiad tests. Learn application of basic identities quiz questions with problem solving skills assessment test.

Trigonometry Basics Quiz

MCQ: Sin(45°+α) =

1. sinα+cosα
2. sinα-cosα
3. 1/√(2)(sinα+cosα)
4. None of Above

C

Trig Identities Quiz

MCQ: Cos315° =

1. 1/√(2)
2. −1/√(2)
3. 3/√(2)
4. None of Above

A

Complex Numbers Quiz

MCQ: A² + b²

1. (a + b )(a-b)
2. (a + ι b)(a -ι b)
3. (a + b )(a- ι b)
4. (a + ι b )(a - b)

B

Math Problems Quiz

MCQ: If cotθ > 0 and sinθ < 0, then terminal arc of angle lies in quadrant :

1. 1
2. 2
3. 3
4. 4

C