Edzy for Classes 6-12

Edzy is a personal AI tutor for CBSE and State Board students, with curriculum-aligned guidance, practice, revision, and study plans that adapt to each learner.

Email: always@edzy.ai
Phone: +91 96256 68472
WhatsApp: +91 96256 68472
Address: Sector 63, Gurgaon, Haryana

Follow Edzy

Browse by Class

CBSE Class 6
CBSE Class 7
CBSE Class 8
CBSE Class 9
CBSE Class 10
CBSE Class 11
CBSE Class 12

Explore the CBSE resource hub

Explore Edzy

About Us
Why We Built Edzy
Search Learning Resources
Blog
CBSE News & Updates
Contact Us
CBSE AI Tutor
CBSE Resource Hub

Support & Legal

Help & FAQs
Accessibility
Privacy Policy
Terms & Conditions
Refund Policy
Cookie Policy
Site Directory

© 2026 Edzy. All rights reserved.

Curriculum-aligned learning paths for students in Classes 6-12.

TF

Question Practice

What is another way to express cos(A - B)?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA

Trigonometric Functions

What is another way to express...

Single Answer MCQ

Q-00051703

What is another way to express cos(A - B)?

1

cosA - sinB

2

cosA cosB + sinA sinB

3

sinA sinB - cosA cosB

4

sinA + cosB

Previous Question Next Question

Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

What does the word "trigonometry" literally mean?

Single Answer MCQ

View explanation

Q2.

Which of the following applications is NOT typically associated with trigonometry?

Single Answer MCQ

View explanation

Q3.

When an angle is measured in radians, how many radians correspond to a complete revolution?

Single Answer MCQ

View explanation

Q4.

Which direction indicates a positive angle measurement?

Single Answer MCQ

View explanation