11th Grade Sum & Difference Quizzes, Questions & Answers

11th Grade

Top Trending Sum & Difference Quizzes

Are you ready to calculate exact values without the calculator? In this quiz, you’ll use sum and difference identities for sine, cosine, and tangent to evaluate tricky angles like 15°, 75°, and 105°....

Questions: 20 | Attempts: 17 | Last updated: Dec 2, 2025

Sample Question 1
Evaluate cos(π/12) exactly.

√3/2

(√6 + √2)/4

1/2

(√6 - √2)/4

Sample Question 2
Evaluate sin(75°) exactly.

(√6 - √2)/4

√3/2

(√6 + √2)/4

1/√2

Sample Question 3
Evaluate tan(15°) exactly.

√3/3

1/√3

√3 - 2

2 - √3

Recent Sum & Difference Quizzes

Advanced Trigonometry: Identities, Graphs, and Formulas

Explore the depths of trigonometric identities, formulas, graphing techniques, and inverse functions. This exercise enhances understanding of complex trigonometric concepts, crucial for advancing skills in mathematics and...

Questions: 14 | Attempts: 17 | Last updated: Sep 13, 2025

Sample Question
Graph one complete cycle of 4(cos 2x - ? /2).

4(cos 2x)

4(sin 2x)

4(cos2x−1/2)

4(cos x - 1/2)

Trigonometri Jumlah Dan Selisih Sudut

Explore the intriguing world of trigonometry in angles and their relationships. This quiz assesses your understanding of sum and difference identities, focusing on acute angles and their cosine and sine values, enhancing your...

Questions: 5 | Attempts: 458 | Last updated: Mar 20, 2025

Sample Question
Diketahui sudut A dan sudut B adalah sudut lancip. Jika cos A = 4/5 dan cos B = 24/25. Tentukanlah nilai cos(a+B) ?

1/5

2/5

3/5

4/5