if-subtle-and-sin-sin-cos-cos-3-so-proof-sin-3-sin-3-0- Tinku Tara June 4, 2023 Trigonometry 0 Comments FacebookTweetPin Question Number 20885 by tammi last updated on 06/Sep/17 if(θ−φ)subtleandsinθ+sinφ=(cosφ−cosθ)3soproofsin3θ+sin3φ=0 Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: f-x-a-x-1-x-D-f-0-a-1-h-x-f-1-a-ax-f-1-a-2x-D-h-D-Domain-Next Next post: Question-151959 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Save my name, email, and website in this browser for the next time I comment.