Physics, asked by gcsgdvk3561, 1 year ago

W=fs cos 180=-fs how this minus sign comes

Answers

Answered by shuklaayushascom

1

Answer:

Explanation:

It is so because cos 180°=-1 by using cartesian plane value of trigonometric ratios are calculated for angles like 120 , 150,180,135,etcetera

Previous Question

Next Question

Similar questions

Math, 6 months ago

the area of a rectangle increases by 1 square unit if the length is reduced by 2 units and breadth is increased by 1 unit. however if the length be increased by 2 unit and the breadth by 1 unit the area increases by 29 square units. find the length and breadth of the given rectangle...

Math, 6 months ago

Q. Find the LCM by listing method - a. 16 , 20 , 30...

English, 6 months ago

1. If you pay attention in class you .......... good marks (score)...

Biology, 1 year ago

Write short notes on ; a)Ascomycetes b)Basidiomycetes...

Math, 1 year ago

proof of tan(90+theta)=-cottheta...

Biology, 1 year ago

why is colostrum good for infants?

History, 1 year ago

tum mujhe khoon do mai tumhe aazadi doonga . Yah naara kaha diya gaya tha a) burma b) Japan c) America d) Germany...

Geography, 1 year ago

Name two techniques of roof top rainwater harvestin... CLASS X Geography...