Math, asked by rohinikumari5y, 4 months ago

In triangle ABC if a:b:c=3:5:7, then cosA+cosB=

Answers

Answered by aditipatel0609

0

Answer:

3:5:7

Step-by-step explanation:

180=3:5:7

3x+5x+7x=180

15x=180

180/15

12

3x=36

5x=60

7x=84

Previous Question

Next Question

Similar questions

Math, 2 months ago

Find the mean of 35, 28, 17, 20 & 30?

Science, 2 months ago

Objective Test A. Tick (✓) the correct answer: 1. The process in which body cells utilise the absorbed nutrients is: (a) ingestion (b) digestion (c) assimilation (d) egesti ...

Social Sciences, 2 months ago

फ्रांस का राष्ट्रगान किसने लिखा...

Science, 4 months ago

Newton's 3rd law...........

English, 4 months ago

answer in brief (any three) 1. how did the two baby seeparated ? 2. who visited the shepherd one day ? 3. what made ray think the cisitor,was not reallya shopper ? 4. why did akbat ask jansen to goin his court ?

Biology, 10 months ago

what is difference between Ingetion and digestion...

Biology, 10 months ago

what is the mechanism of inheritance...

Physics, 10 months ago

kaise devide karege...