ExamDAO Logo

ID#6919 HSC Higher Math 1st MCQ (Jessore 2023)

A+B = $\frac{\pi}{4}$ হলে, $\cos^2 A - \cos^2 B$ এর মান কোনটি?
ক) $\frac{1}{\sqrt{2}} \cos (A-B)$
খ) $\frac{1}{\sqrt{2}} \sin (B-A)$
গ) $\frac{\sqrt{3}}{2} \cos (A-B)$
ঘ) $\frac{\sqrt{3}}{2} \sin (B-A)$
Resource Details
Exam HSC
Subject Higher Math 1st paper
Chapter 7
Board Jessore
Year 2023

Discussion — HSC Higher Math 1st MCQ (Jessore 2023)

Join the Discussion!

You must be logged in to post a comment or ask a question.

Sign In to Comment

No discussion yet. Be the first to post a comment!