I will mark you as the brainliest if you answer it correctly
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Answer:
i) ans =1 ii) ans 1
Step-by-step explanation:
in first question use formula of sin(A+B) =sinAcosB+cosAsinB so here A=50 and B=40
=sin90
=1
second question
use tan35=tan(90-55)=cot 55
so 1+cot^2(55)-cot^2(55)
=1
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