Math, asked by vrajkadam5928, 1 year ago

If Q1 = Q2 =60• prove that cos (Q1 - Q2 ) = cos Q1 cosQ2 + sin Q1 sin Q2

Answers

Answered by grisha7

0

Step-by-step explanation:

hope it helps

plz mark my answer as brainliest

Attachments:

Previous Question

Next Question

Similar questions

English, 6 months ago

I have eaten an apple (change voice)...

English, 6 months ago

importance of statistical information in the study of economic for 4marks...

Math, 6 months ago

number of sides of a triangle...

Chemistry, 1 year ago

At 25°C for complete combustion of 5 mole of propane. The required volume of O2 at Stp will be: 1) 560l 2) 560ml 3) 360l 4) 360ml...

Geography, 1 year ago

Story on save water,save life...

Science, 1 year ago

Why is Chandigarh unlike of cyclone...

Math, 1 year ago

Ascending order:-12/28,-42/28,-21/28...

Science, 1 year ago

What will form when two Helium atoms will added to each other...