Math, asked by JSINGH1322, 9 months ago

the value of cos80°cos10°-sin80°sin10°=

Answers

Answered by tanushkadas9

1

Answer:

cos(80+10)

cos90

0.........

Answered by sweta2114

2

Answer:

cos80°cos(90°-80°) - sin80° sin(90°-80°)

Step-by-step explanation:

cos80°sin80°-sin80°cos80°

= 0

Previous Question

Next Question

Similar questions

Social Sciences, 5 months ago

What was the condition of the peasants in the French society during the Old Regime?

English, 5 months ago

speech on topic festivals of Himalaya ...

Computer Science, 5 months ago

formula bar is mainly used for ......

Math, 9 months ago

X+11=21 please help me.

Math, 9 months ago

Ali walked from town A to town B in 6 hours. On his return, he increased his average speed by 1 km/h, and covered the distance in 5 hours. Find the distance between the two towns.

Social Sciences, 11 months ago

how can u measure the literacy level in a country??

Social Sciences, 11 months ago

what are the reason for low human development index of india...

Biology, 11 months ago

structure and function of nucleus...