English, asked by sapnakalra46, 5 months ago

prove that cos 60 degree = 2 cos² 30 degree -1

Answers

Answered by allanmacalaladam

1

Answer:

180

Explanation:

please follow me and I hope it helps

Previous Question

Next Question

Similar questions

Social Sciences, 2 months ago

Surya ke Prakash ka rudh chinha...

Chemistry, 2 months ago

(i) आन्तरिक ऊष्माआंतरिक ऊष्मा किसे कहते हैं ...

English, 2 months ago

india-aoy farmers are coming suicides due to cost of farming and by a) decreased, commendation d demanding plotation b) increased exploitation increases, erlotion...

Math, 5 months ago

the value of x in the equation x+5 =12 is pls post answer with steps...

French, 5 months ago

2. Vous avez des crayons. Ils sont petits. 4. Elles sont jolies. Ce sont des gommes. mauvais 2. grosse in hindi mening plz answer me...

Social Sciences, 11 months ago

suppose a factory in your neighbourhood is sending toxic waste into the river that supplies drinking water to your town what can you do as a ordinary citizen to about it is there any Law Act that protects us from such pollution what is the responsibility of the factory owner towards the people of your town...

Geography, 11 months ago

Results of tide. point wise of 5marks...

English, 11 months ago

I often suffer from _____ backache . use a proper article. A,AN,the...