Math, asked by madhurigmadhuri997, 9 months ago

sin^2(20)-cot^2(70)/sin^2(70) +sin^2(20) =?

Answers

Answered by alonefaded9

0

Step-by-step explanation:

=sin ² 70 + cos² (90–20 )

=sin ² 70 + cos ² 70

=1 :-[sin ²A + cos ²A=1]

‘1’

Previous Question

Next Question

Similar questions

Physics, 4 months ago

Gravitational force acts on all the objects in proportion to their masses. Why then, a heavy objects not fall faster than a light object?

English, 4 months ago

-Your friend Isha has invited you to attend a play in which she will be performing. You cannot attend it as you have your brother’s wedding on the same day. Write a polite letter in not more than 50 words, expressing your inability to attend the play and give her your best wishes. You are Nisha/Nishant of 27, Rajpura Colony, Delhi.

Hindi, 4 months ago

पिता का पिता दादा माता का पिता डांस...

Physics, 9 months ago

The distance of Pluto from sun is 40 times than the distance of earth from sun. If the mass of earth and Pluto is same, then the ratio of gravitational force of sun on earth and Pluto is...

Sociology, 9 months ago

analyze max weber approach towards the understanding of capitalism...

Math, 1 year ago

what is the greastest common factor of 36 and 27?

Science, 1 year ago

write the two names of the following water soluble vitamins...

Social Sciences, 1 year ago

difference between complete and incomplete flower ...