Math, asked by nakuli, 1 year ago

prove that

tan48°tan23°tan42°tan67°=1

Answers

Answered by Anonymous

2

Step-by-step explanation:

tan 48° tan 23° tan 42° tan 67°=1

=tan(99°-42°) tan(90°-67°) tan42° tan 67°

=cot42° cot67° tan42° tan67°

=[cot42° tan42°] [cot67° tan67°]

=1×1

=1

Answered by Anonymous

3

TO PROVE:

tan48°tan23°tan42°tan67°=1

PROOF:

TAN48°TAN23°TAN42°TAN67°

TAN48°TAN23°COT48°COT23°

TAN48°COT48°TAN23°COT23°

=1×1

=1

PROVED

Previous Question

Next Question

Similar questions

English, 6 months ago

this is a serious question how many of yu people are attending online class regularly those who will tl frst I will mark thm as a brainliest ...

English, 6 months ago

pls ans this if you ans this I will mark you as brainliest and follow you and thanks you and rate your answer find independent clause and depesent clause for the following sentences the boxes are stacked against the wall,several cartoons high and in danger of falling on their content...

Chemistry, 6 months ago

40,- (aq) + 2H20-302(g) + 40H-(aq). In above reaction, superoxide ion (1) Shows oxidation only (2) Shows reduction only (3) Shows disproportionation (4) Does not show redox reaction...

Physics, 1 year ago

what is snell's law...

Math, 1 year ago

If n(X) = 6 and n(Y) =9, what is the greatest value of n(XUY)? a) 9 B )15 c) 3 d) 12...

Biology, 1 year ago

Difference between phycomycetes, ascomycetes,bacidiomycetes anddeuteromycetes...

Science, 1 year ago

what is rust.........

Math, 1 year ago

What are the five different ways to write 69 numbers...