Hindi, asked by ja4yadayabhind, 1 year ago

how to prove that : tan 15°+tan 30°+tan15°.tan30° = 1 ??? can anyone please help here?

Answers

Answered by JAWAHAR1

2

tan45°=tan(30+15)°
1 ={tan30°+tan15°} / 1-tan30°.tan15°
1-tan30°.tan15°=tan30°+tan15°
1=tan30°+tan15°+tan30°.tan15°

Previous Question

Next Question

Similar questions

English, 8 months ago

Rearrange the following a) feared/discovery/he/crime/fled/and/ his/of pls answer quick...

English, 8 months ago

how did the mother tret her 3 davghte...

English, 8 months ago

he is good_______mathmetics(for, with, in, at) ...

Chemistry, 1 year ago

Show the distribution of electrons in oxygen atom (atomic number 8) using orbital diagramsh...

English, 1 year ago

How to write a letter to your friend telling her that how did you spend your winter vacation...

Math, 1 year ago

A sum of Rs. 725 is lent in the beginning of a year at a certain rate of interest. After 8 months, a sum of Rs. 362.50 more is lent but at the rate twice the former. At the end of the year, Rs. 33.50 is earned as interest from both the loans. What was the original rate of interest? A) 3.46% B) 4.5% C) 5% D) 6%...

Math, 1 year ago

A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned? A) Rs.35 B) Rs.245 C) Rs.350 D) cannot be determined...

Math, 1 year ago

The cost price of a Rs.100 stock at 4 discount, when brokerage is % is : A) Rs.95.75 B) Rs.96 C) Rs.96.25 D) Rs.104.25...