Question

solve on notebook please

Answer 1

Hope it'll help you my friend ^_^

Answer 2

hey here is your answer

given that sin@=cos@

so we can write this sin@/cos@=1
so
sso tan@=1

@=45

now 2tan45+cos2@=2*1+1/2=2+1/2=5/2

hope you understand

mark ADRIKARNEE is brilliant