Can u solve the 2nd ques??
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Answered by
1
Sorry for attempting......Answer not matching.
ashmeen665:
It's written in eng too
In the second line
ok solving.....next time, remember to post the picture the right way.
It's right
U didn't see
Answer not matching....
No problem thx for the effort.
Answered by
3
2 sin thetha(90-thetha) × cos thetha=1
2 cos^2=1
cos thetha=1/root2
cos thetha=45degree
thetha =45degree
2 cos^2=1
cos thetha=1/root2
cos thetha=45degree
thetha =45degree
It should be +-1/√2
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