Math Problem Statement
You are told that cosθ=−5/√315 If θθ is in the second quadrant, then the exact value of sinθsinθ is interpreted as14−−√7147Your answer is incorrect.
Note: In this question we require you input your answer without decimals and without entering the words sin, cos or tan. For example, if your answer is 5√17√517, then enter sqrt(5)/sqrt(17)
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b)
If θθ is in the third quadrant, then the exact value of sinθsinθ is interpreted as−3–√3−33Your answer is incorrect.
Note: In this question we require you input your answer without decimals and without entering the words sin, cos or tan. For example, if your answer is 5√17√517, then enter sqrt(5)/sqrt(17)
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Pythagorean identity
Trigonometric functions
Quadrants
Formulas
Pythagorean identity: sin^2(theta) + cos^2(theta) = 1
Theorems
-
Suitable Grade Level
High school
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