Math, asked by pavani903, 3 months ago

cos 100°.cos 40° +sin 100°.sin 40°

Anonymous: yes

Answers

Answered by Anonymous

58

Step-by-step explanation:

cos(100-40)=cos(60)

1/2

mark as brilliant....

Anonymous: hlo

Anonymous: sis

jasmine69: Hi ?

Anonymous: hlo

Anonymous: ok bye

jasmine69: bye

Anonymous: hm take care

jasmine69: tc

Anonymous: Hnji ok byeee byee

jasmine69: byeee

Answered by lakhibaskey14

6

Answer:

cos 100° .cos 40° + sin 100° .sin 40°

by using formula

cos A cos B + sin A sin B = cos (A-B)

=cos(100° - 40°)

=cos(60°)

=1/2

Previous Question

Next Question

Similar questions

Economy, 1 month ago

economic development is the ____ of economic growth?

Science, 1 month ago

oject Prepare a chart giving detailed information of carbon compounds in everyday use. Display it in the class and discuss.

Physics, 1 month ago

what are tissues ? ni tu velaan vangu chdgi rooh deya rukhaan te. , te mai tere paireen uggda reha ghaa banke, ┐(´ー｀)┌...

Math, 3 months ago

Obtain all other zeroes of (3x^4+6x^3−2x^2−10x−5), if two of its zeroes are √5/3and -√5/3.

Physics, 3 months ago

A body freely falling from a heighth describes 71/16 in the last second of its a The height bis x = 10ms 1) 80 m 2) 45 m 3) 160 m...

English, 9 months ago

You are namita/banana resinding at 45/9 Bungalow road Delhi write a letter to your friend inviting him/her to your birthday party tell him/her your plans to celebrate your birthday...

CBSE BOARD XII, 9 months ago

Pavitra ka Sandhi vichchhed aur Sandhi Karen...

Psychology, 9 months ago

why is it important for a counseller or a psychologist to be an active listener and empathetic...