Math, asked by poojalekshmi, 23 days ago

find the value
of 19 sec²A - 19 tan²A

Answers

Answered by ashwin0206k

3

Step-by-step explanation:

took 19 common:-

19(sec^2-tan^2)

19×1. {1+tan^2A=sec^2A}

19

Answered by arunsgh3376

3

You have to solve it by Rationalising the denominators..

Previous Question

Next Question

Similar questions

Science, 11 days ago

______ is a mixture of chlorozylenol and terpincol.

Science, 11 days ago

The thin layerof metal oxide applied by the process of electrolysis to prevent corrosion is called…….. i] Tinning ii] Anodizing iii] Alloying iv] Galvanizing...

Science, 11 days ago

a) Give reason i. Placenta is extremely essential for foetal development. ii. Blocking of Vas deferens prevents pregnancy iii. Blocking of fallopian tube prevents pregnancy...

Science, 23 days ago

Find the moles of atoms in 60g carbon...

English, 23 days ago

blood donation camp ti's simple and it's lief saver...

Math, 7 months ago

there are 34 students in a class, 19 of them are girls. what percentage of the class are girls. make sure to give your answer up to 1 decimal place...

Math, 7 months ago

x=-5/14 y=-1/21 verify x+y = y+x...

Hindi, 7 months ago

Muje yadi me kisan hota to.... Pr nibhand chayeya...