Prove that :
(i) sin (2 x 30°) =
2 tan 30°
1+tan 30°
Attachments:
Answers
Answered by
2
Answer:
PLEASE MARK MY ANSWER AS BRAINLIEST
LHS = sin 60
= √3/2
RHS = 2*1/√3 / 1+(1/√3)²
= 2/√3 / 1+1/3
= 2/√3 / 4/3
= 2/√3 ÷ 4/3
= 2/√3 * 3/4
= 3/2√3
Rationalise the denominator
(3/2√3)*2√3
6√3/12
RHS = √3/2
LHS = RHS
Hence proved
PLEASE MARK MY ANSWER AS BRAINLIEST
Step-by-step explanation:
Similar questions