Math, asked by unicorn15, 10 months ago

evaluate cossquare67-sinsquare23

Answers

Answered by akshatkhurania

1

Hope this helps
Mark as Brainlist

Attachments:

akshatkhurania: mark as Brainlist

unicorn15: the A should be of sin in this case

akshatkhurania: what??

akshatkhurania: i didnt understand

unicorn15: i meant is sin23=cos(90-67)

akshatkhurania: you can do both it doesn't matter

unicorn15: or sin23=cos(90-23)

akshatkhurania: mark as Brainlist

Answered by BrainlyFIRE

0

Hey... I think this can be ur answer dear!!

______________________________

Cos²67 - sin²23

= cos² (90-23) - sin² 23

= sin² 23 - sin²23

=0

SO, the value is 0...

_______________________________

Hope it helps you dear ☺️☺️☺️

Previous Question

Next Question

Similar questions

Political Science, 5 months ago

what is poetic divice ...

History, 5 months ago

were the conservatives able to retain their power for a long time ...

Science, 5 months ago

water and mustard oil are separated by which process ...

Math, 10 months ago

a train travelled a certaon distance at a uniform speed. If the train had been 7km/hr faster, it would have taken 14 hours less than the scheduled time.If the train were slower by 3km/hr then it would have taken 10 hours more than the scheduled time.Find the distance covered by the train?

Math, 10 months ago

Please find the 17th question...

Chemistry, 11 months ago

The formation of f-(g) from f(g) is exothermic whereas that of o2-(g) from o(g) is endothermic. explain.

Biology, 11 months ago

The evolution of beak sizes in galapagos finches is a response to...

Physics, 11 months ago

if u r a genius then solve it...