I will mark u brainest
Just Solve this 2 proving trigonometry
Question 11 ka 1 or 2
And Question 12 ka 1
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archana5556:
answer is A = 45
Thanks
Answers
Answered by
1
I know only the solution of Q. no. (12)
2cos^2A - 1 = 0
2cos^2A = 1
cos^2A = 1/2
cosA = 1/√2
A = 45°
sorry for Q. no. 11
Could u try 11
Answered by
0
12.
Soln:- 2cos^ 2A-1=0
=2cos^2A=1
=cos^2A=1/2
=cosA =1/√2
A=45°.
Soln:- 2cos^ 2A-1=0
=2cos^2A=1
=cos^2A=1/2
=cosA =1/√2
A=45°.
Oh where is 11
Edit and solve that
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