solve this two questions ..☺
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Answers
Answered by
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Final Answer :
Ans:25 :B
Ans: 26 :C
Steps and Understanding:
1) We will find cos of all angles.
2)!Then, use
tan α = (sec.^2 α - 1 )^1/2
= (1/(cos α )^2. - 1 )^1/2
in β also.
Steps :
1) Resultant of A and B vector is |A+B| .
2) Unit vector : (A+B) / (|A+B|)
Ans:25 :B
Ans: 26 :C
Steps and Understanding:
1) We will find cos of all angles.
2)!Then, use
tan α = (sec.^2 α - 1 )^1/2
= (1/(cos α )^2. - 1 )^1/2
in β also.
Steps :
1) Resultant of A and B vector is |A+B| .
2) Unit vector : (A+B) / (|A+B|)
Attachments:
Anonymous:
thanks
√√
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