find the value of 9sec^2 θ - 9 tan^2 θ
Answers
Answered by
2
the value of the question is 1......
Malavika123:
i need explanation..
Answered by
6
9sec²A-9tan²A
9(sec²A-tan²A)
9(sec²A-(sec²-1)
9(sec²A-sec²A+1)
9(1)
9
9(sec²A-tan²A)
9(sec²A-(sec²-1)
9(sec²A-sec²A+1)
9(1)
9
Similar questions