Math, asked by lakshmi6206, 1 year ago

Express sin 81+tan81 in terms of trignometric ratios of angels between 0 and 45

Answers

Answered by sciencemathsharsh

2

sin 81=cos 19
tan 81=cot 19
so, sin 81+tan 81=cos 19+ cot 19
here 0<19<45
please mark it as brainliest

Previous Question

Next Question

Similar questions

Social Sciences, 7 months ago

Who ensures that goods reach us?

Accountancy, 7 months ago

Issued a cheque to A.paul...

English, 7 months ago

blanks: Three persons include) a minor 4 Write the correct alternative to fill in the 1x3=3 (included/including/ (are killed/were killed/ killed) in a boat capsize last night on the Ganga during a storm near Shimultala area, while another minor (was still missing/is till missing/missing). 5. (a) Fill in the blanks with articles and prepositions: 1x3=3 for learning ltd recently signed...

Math, 1 year ago

Find the interval between 7:40 p. m. and 7:50 a. m.

English, 1 year ago

I am ready for my exam.I am wating on the bus stop.Suddenly a bigger is heated by a moterbike.At the same time my school bus came .No one is helping to him.Then what would I do...

Math, 1 year ago

The largest number that will divide 398,436 and 543 leaving remainder 7,11 and 15 respectively...

Math, 1 year ago

prove that the area of an equilateral triangle described one side of the square equal at the half of the area equilateral described on one of its diagonal...

Social Sciences, 1 year ago

why does a democratic country need a constitution?explain 5 points.