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sin 30*=1/2
cos60*=1/2
u can see trignometric table for this and all for all values also

i dont understand.. can you do it step by step

okay.. so we do not need to use trigonometric identities?

the trig identities chart*

is it ok?now or not?

i think its okay.. i basically just solve sinx and cosx?

which grade r u in?

122

sorry 12*

o Zbrdst

thank u for yourhelp.