Math, asked by tanya191, 1 year ago

cos81-sin9=0 prove it

Answers

Answered by amangupta15

2

cos81-sin9=0
cos81-sin(90-81)
cos81-cos81
=0 prove

Anonymous: m unable to post my answer

amangupta15: why

Anonymous: don't know

amangupta15: ok

Previous Question

Next Question

Similar questions

History, 8 months ago

How did technological changes affect agriculture during 11th century?

Geography, 8 months ago

__________ in the northwest of Peninsular India, are the oldest fold mountains. The Aravalis The Satpudas The Vindhya range ...

English, 8 months ago

USA new prime minister...

English, 1 year ago

frame meaningful sentence using all the words given in the sets. 1) the crown, pull, the flow. 2) clever ones, childish and silly 3) spell, paw...

Biology, 1 year ago

arrange in proper sequence proximal convoluted tubule, henle's loop, distal convoluted tubule, collecting duct...

Math, 1 year ago

The age of father is 30 years more than that of his son. 5 years hence father’s age willbe thrice of his son’s age, find their present ages.

Computer Science, 1 year ago

What are the advantages and disadvantages of keyboard?

Chemistry, 1 year ago

What is difference between K L M N O shells and S P D F shells?