Categories Mathematics 1 + tanαtan2α = Post author By esimpk Post date June 16, 2021 No Comments on 1 + tanαtan2α = −sec2α −cosec2α cosec2α sec2α ← 1 + tan²2θ = → 1 radian = Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.