wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Prove that sin145+sin1725=sin1117125

Open in App
Solution

sin145+sin1725=sin1117125
sin1A+sin1B=sin1(A1B2+B1A2)
=sin1(45149625+72511625)
=sin1(45576625+725925)
=sin1(45×2425+725×35)
=sin1(96125+21125)
=sin1(117125). H.P.

flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Trigonometric Ratios of Specific Angles
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon