Question

Solve this Brainly people!!​

Answer 1

Answer:

hlo dear

i had a short trick but don't use it in boards and any school exam ..

.so

cosq - sonQ= √[1+1-{√2cosQ }²]

= √2sinQ

so cosQ-sinQ=√2sinQ

here u are plzz follow me and mark it

Answer 2

Answer:

Please see the attachment