Math, asked by rameshkumar1096, 1 year ago

सिद्ध करें sin 70 sec 20

Answers

Answered by Hiteshbehera74

5

sin70 x sec20
= sin(90-20) x sec20
= cos20 x sec20
= (1/sec20) x sec20
= 1

Previous Question

Next Question

Similar questions

English, 7 months ago

Exercise 1. I did not come because you did not call me. 2. Catch me if you can. 3. Is that story true or false? 4. Tom runs faster than Harry. 5. You will be late unless you hurry. 6. He asked whether he might have a holiday. 7. He deserved to succeed, for he worked hard. 8. We can travel by land or water.

Business Studies, 7 months ago

2. What is the total product of an input? 3. What is the average product of an input?

History, 7 months ago

Required 10. According to the new police system he was accountable for the thefts crimes & other law violations at village level...

Math, 1 year ago

find value of p if X + 2 andx - 1 are factors of 4x^2-3px +2...

Physics, 1 year ago

what is surface tension????

CBSE BOARD X, 1 year ago

importan questions fo social science cbse class10 .....plzzz.idid'nd study any thing......

Psychology, 1 year ago

how to concentrate on studies effectively...

Math, 1 year ago

logarithm textbook questions ap state...