What is the value of (\sin^2 20^\circ+\sin^2 70^\circ)?

Question

Answer and explanation

Correct answer: (1)

Since (\sin 70^\circ=\cos 20^\circ), the sum is (\sin^2 20^\circ+\cos^2 20^\circ=1). In exams, identify complementary angles.

What is the correct answer to this question?

(1)

Why is this the correct answer?

Since (\sin 70^\circ=\cos 20^\circ), the sum is (\sin^2 20^\circ+\cos^2 20^\circ=1). In exams, identify complementary angles.

Which subject and chapter does this question cover?

This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Trigonometric functions and their properties.