prove that tan45-tan30÷1+tan45×tan30=2-sqrt{3}
Answers
Answered by
4
Step-by-step explanation:
tan 45 - tan 30 ÷ 1 + tan 45 × tan 30
=tan (45-30)
=tan 15
= 2- √3
Answered by
4
Answer:
Step-by-step explanation:
From LHS,
=>1-1/√3÷1+1√3
=>√3-1/√3÷√3+1/√3
=>√3-1÷√3+1
=>(√3-1)(√3-1)/(√3+1)(√3-1)
=>3-√3-√3+1/(√3)^2-(1)^2
=>3-2√3+1/3-1
=>4-2√3/2
=>2(2-√3)/2
=>2-√3=RHS
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