If x+y+z=90°,Prove that1-sin^2x-sin^2y-sin^2z-2sinx siny sinz=0
Tuyigane Jean de Dieu , 7 Years ago
Grade 12th pass
Trigonometry> If x+y+z=90°,Prove that 1-sin^2x-sin^2y-s...
1 Answers
Saurabh Koranglekar
Last Activity: 5 Years ago
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
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