#Math Extension 1:Further Trigonometry

3 messages · Page 1 of 1 (latest)

keen forge Nov 8, 2023, 2:05 AM

#

Need help proving this trig identity using the double angle formulae

bleak badgeBOT Nov 8, 2023, 2:05 AM

#

covert urchin Nov 8, 2023, 3:37 AM

#

@vaincape549 Write 165 = 90 + 75...and use tan(A+B) formula