H Hipeople Member Joined Mar 29, 2023 Messages 43 Gender Female HSC 2025 Thursday at 11:28 PM #1 Hi, can someone show me how to do c). The answer is π/2 but I just don’t see how I can prove it. Attachments IMG_2362.jpeg 1.5 MB Views: 29
C cossine Well-Known Member Joined Jul 24, 2020 Messages 612 Gender Male HSC 2017 Friday at 12:54 AM #2 Hipeople said: Hi, can someone show me how to do c). The answer is π/2 but I just don’t see how I can prove it. Click to expand... You can draw a triangle. For completeness draw two triangles one in the first quadrant and second quadrant. Then make use of the period to generalise your result.
Hipeople said: Hi, can someone show me how to do c). The answer is π/2 but I just don’t see how I can prove it. Click to expand... You can draw a triangle. For completeness draw two triangles one in the first quadrant and second quadrant. Then make use of the period to generalise your result.
ivanradoszyce Member Joined Oct 18, 2023 Messages 32 Gender Undisclosed HSC 2018 Saturday at 11:29 AM #3 Here is a possible answer. Last edited: Saturday at 3:23 PM