Home
Class 12
MATHS
Prove that (4cos^2 9^0-3)(4cos^2 27^0-3)...

Prove that `(4cos^2 9^0-3)(4cos^2 27^0-3)=tan9^0dot`

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Prove that (4cos^(2)9^(@)-3)(4cos^(2)27^(0)-3)=tan9^(@)

Prove that (4cos^(2)9^(@)-3)(4cos^(2)7^(@)-3)=tan9^(@)

Prove that (4 cos^(2)9^(@)-3)(4 cos ^(2)27^(@)-3)=tan 9^(@) .

" Prove that "(cos9^(0)+sin9^(0))/(cos9^(0)-sin9^(0))=cot36^(@)

Prove that tan9^(0)-tan27^(0)-cot27^(0)+cot9^(0)=4

Prove that :cos9^(0)+sin9^(0)=sqrt(2)sin54^(@)

Find the value of (4cos^(2)9^(@)-1)(4cos^(2)27^(@)-1) (4cos^(2)81^(@)-1)(4cos^(2)243^(@)-1) .

If sin alpha =(1)/(2) , prove that (3 cos alpha - 4 cos ^(3) alpha )=0.

Find the value of log_(sqrt(3))((4cos^(2)9^(@)-1)(4cos^(2)27^(@)-1)(4cos^(2)81^(@)-1)(4cos^(2)243^(@)-1))