त्रिकोणमिति
Trigonometry
Trigonometry
Question 3 of 36
Question 3
यदि sin θ = 3/5 है, तो cos θ का मान क्या होगा?
Explanation
cos²θ = 1 - sin²θ = 1 - (3/5)² = 1 - 9/25 = 16/25. अतः cos θ = 4/5।
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