S Sus24 New Member Joined Oct 24, 2022 Messages 9 Gender Male HSC 2024 Feb 22, 2023 #1 How would you prove this question?

C cossine Active Member Joined Jul 24, 2020 Messages 450 Gender Male HSC 2017 Feb 22, 2023 #2 Sus24 said: How would you prove this question? View attachment 37767 Click to expand... What are your theorems, particularly trig?

Sus24 said: How would you prove this question? View attachment 37767 Click to expand... What are your theorems, particularly trig?

E ExtremelyBoredUser Lead Detective | Part-Time God Joined Jan 11, 2021 Messages 1,840 Gender Male HSC 2022 Feb 22, 2023 #3 Sus24 said: How would you prove this question? View attachment 37767 Click to expand... As cossine mentioned about theorems; if you want a hint, consider the trig formulas you learned especially the expansion of sin(x+y).

Sus24 said: How would you prove this question? View attachment 37767 Click to expand... As cossine mentioned about theorems; if you want a hint, consider the trig formulas you learned especially the expansion of sin(x+y).

S Sus24 New Member Joined Oct 24, 2022 Messages 9 Gender Male HSC 2024 Feb 23, 2023 #4 ExtremelyBoredUser said: As cossine mentioned about theorems; if you want a hint, consider the trig formulas you learned especially the expansion of sin(x+y). Click to expand... Figured it out cheers for the suggestion

ExtremelyBoredUser said: As cossine mentioned about theorems; if you want a hint, consider the trig formulas you learned especially the expansion of sin(x+y). Click to expand... Figured it out cheers for the suggestion