Math, asked by omgami190, 2 months ago

if sin A=20/29 than find cos A

Answers

Answered by 2611sakshi

1

Answer:

cos A =19/29

Step-by-step explanation:

mark me brilliant

Answered by prachi5481

0

Answer:

cos A = 21/29

Step-by-step explanation:

sinA = 20/29(given) =P/H

In ΔABC ,

H²= P²+B²

(AC)²= (BC)²+(AB)²

(29)²= (20)²+ (AB)²

841= 400+(AB)²

(AB)²= 841-400

(AB)² = 441

AB=√441

AB=21

CosA=B/H=21/29

Previous Question

Next Question

Similar questions

English, 1 month ago

Would that, they---our neighbour. (A) had. (b) were. (c). are. (d). have been...

Science, 1 month ago

Wegener suspected that the continents had moved over a long period of time into their current positions. What are TWO pieces of evidence that made him believe this?

History, 1 month ago

Read this passage from the Bhagavad Gita. . . . seek To reach Me, worshipping with steadfast will; And, if thou canst not worship steadfastly, Work for Me, toil in works pleasing to Me! For he that laboureth right for love of Me Shall finally attain! –Bhagavad Gita How does this passage present information? It explains the effect of worshipping the gods. It describes the steps needed to...

English, 2 months ago

................ . ( , ) ...

Math, 2 months ago

9. While selling an article a trader gives a discount of 5%> If he gives a discount of 7% he earns 15 less as profit. What is the M.P. of the article?

Math, 7 months ago

area of ceiling of a room is same as area of...

Math, 7 months ago

Q.8 - An article is sold at 25% profit. If the CP and the SP of the article are increased by Rs 60 and Rs 30 respectively, the profit% decreases by 15%. Find the cost price of the article.

English, 7 months ago

Those clouds promise rain, so we should hurry up and leave before we get caught in a flash flood.which sentance is this...