Math, asked by Naveel9583, 1 year ago

-cos^2A+2cosAsinA-sin^2A=-2sin^2A

Answers

Answered by harshshah

0

2cosAsinA =Sin2A
sin2A+cos2A = sin2A
thus
_2sin2A

Previous Question

Next Question

Similar questions

Social Sciences, 8 months ago

what was the type of government in vajji and greece...

Math, 8 months ago

Four-fifth of a number is 25 more than 60% of that number. What is 70% of that number? (1) 87.5 (2) 92.5 (3) 95 (4) None of the above...

History, 8 months ago

who was the first female ruler of delhi?

Chemistry, 1 year ago

the positive electrode in the apparatus for electrolysis ?

History, 1 year ago

Where is the east coastal plain in map...

Physics, 1 year ago

what is the r.m.s. value of an alternating current which when passed through a resister heat which is thrice of that produced by a direct current in the same resister...

Physics, 1 year ago

The distance b/w a node and the next antidote in a stationary wave is 5cm. The wavelength of the wave would be: 1. 20cm 2. 1.25cm 3. 5 cm 4. 10cm...

English, 1 year ago

how to clean politices...