Question 1 of 150
In this case, which identity is correct for an acute angle q?
sin²q + cos²q = 1
○ tan²q + sin²q = 1
○ sin²q - cos²q = 1
○ sinq + cosq = 1
Show explanation
The fundamental Pythagorean identity is sin²q + cos²q = 1. — Examisthan.com
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