Skip to content

Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Class 12 Mathematics Trigonometric Functions Trigonometric functions and their propertiesMediumLevel 70

What is (\cos(\frac{\pi}{2}+x)) equal to?

Answer and explanation

Correct answer: (-\sin x)

In the form (\frac{\pi}{2}+x), (\cos) changes to (\sin) with a negative sign. Hence it becomes (-\sin x).

Tags

cofunction-identitiescosineallied-angles

Frequently asked questions

What is the correct answer to this question?

(-\sin x)

Why is this the correct answer?

In the form (\frac{\pi}{2}+x), (\cos) changes to (\sin) with a negative sign. Hence it becomes (-\sin x).

Which subject and chapter does this question cover?

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

Report question