Flag Trigonometry> If x+y+z=90°,Prove that 1-sin^2x-sin^2y-s...
question mark

If x+y+z=90°,Prove that 1-sin^2x-sin^2y-sin^2z-2sinx siny sinz=0

Tuyigane Jean de Dieu , 8 Years ago
Grade 12th pass
anser 1 Answers
Saurabh Koranglekar
Dear student

Please consider all angles equal 30, 30, 30

LHS = 1- 3(1/8) - 2(1/8)= 1-5/8 = 3/8 != RHS

Please check and upload correct question

Regards
Last Activity: 6 Years ago
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments