Prove that: Cos 570 sin 510+sin(-330)cos(-390)=0 - Maths - Trigonometric Functions

Question

Prove that: Cos 570 sin 510+sin(-330)cos(-390)=0

Neha Sethi · Accepted Answer

Kindly refer the link for your query
(Refer (v) part)

https://www meritnation
com/ask-answer/question/prove-that-i-tan-225-cot-405-tan-765-c/math/12066119
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Prove that: Cos 570.sin 510+sin(-330)cos(-390)=0