cos°5×cos°10×cos°15-----------cos°135=?
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0 is the answer as in this cos 90; will also come and u know cos 90 =0 hence whole answer becomes zero
ajay555:
please show me how
what??
to show
see. cos 5*cos10*cos15.............cos*135. as u can see the angles are in multiple of 5. so after some time as u will move forward u will also find cos90 which is also multiple of 5 and its value is 0 so anynumber multipied by 0 ans will be 0 therefore the whole expression becomes zero.......
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answer is zero because cos90= 0
it's a direct answer explain me in flow please
hlw dude this series will also conain cos 90 , which have the value 0 , so if we multiply 0 with any no. result will be zero
thanks thanks thanks thanks thanks
sorry for many times
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