Please solve question no 5 ii (please don't send me any links ) - Maths - Trigonometry

Question

Please solve question no 5 ii (please don't send me any links )

Akshat Anuj · Accepted Answer

Dear student,
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5e344fc332e71%20jpg">
Regards,

Please solve question no.5.ii.(please don't send me any links.....)