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If f(θ) = sin2 θ + sin2 (θ+2π/3) + sin2 (θ+4π/3), then what will be f(π/10)?

Rishabh Sankla , 6 Years ago
Grade 11
anser 1 Answers
Vikas TU
Dear student 
Put the value of 
θ = π/10
sin2 (π/10)+ sin2 (π/10+2π/3) + sin2 (π/10+4π/3) = sin2 (π/10) + 2 sin2 (π/10+2π/3) 
= 3 sin2 (π/10) 
Hope this helps 
Good Luck 
 
 
Last Activity: 6 Years ago
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