please abswer this....
cos 36 cos 54 - sin 36 sin 54
Answers
Answered by
125
cos ( 90-54) cos 54 - sin ( 90-54) sin54
we know cos(90-threta) = sin threta
sin 54 cos 54 - cos 54 sin 54
=0
we know cos(90-threta) = sin threta
sin 54 cos 54 - cos 54 sin 54
=0
Answered by
163
Hey!!!
__________
Here is your answer!!!
________________
cos36 cos 54-sin(90-54) sin(90-36)
cos 36 cos 54-cos54 cos 36
=0
________________
I hope it will help you!!!
__________
Here is your answer!!!
________________
cos36 cos 54-sin(90-54) sin(90-36)
cos 36 cos 54-cos54 cos 36
=0
________________
I hope it will help you!!!
Similar questions