58. Find the value of (sin²33° + sin²57°) [Delhi 2019]
58. Find the value of (sin²33° + sin²57°) [Delhi 2019]
Harshit Singh , 4 Years ago
Grade 12th pass
10 grade maths> 58. Find the value of (sin²33° + sin²57°)...
1 AnswersPawan Prajapati
Last Activity: 4 Years ago
Answer: Explaination: sin²33° + sin²57° ⇒ sin²33° + sin²(90° – 33°) ⇒ sin²33° + cos²33° [Using sin(90° – θ) = cos θ] ⇒ 1 [Using sin²θ + cos² θ=1]
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Other Related Questions on 10 grade maths
What are the advantages and disadvantages of mean, median and mode?
What are the advantages and disadvantages of mean, median and mode?
10 grade maths
1 Answer Available
Last Activity: 2 Years ago
Find the sum of the first 100 natural numbers.
Find the sum of the first 100 natural numbers.
10 grade maths
1 Answer Available
Last Activity: 3 Years ago
AOBC is a rectangle whose three vertices are A(0,-3), O(0,0) and B (4,0). The length of its diagonal is__
AOBC is a rectangle whose three vertices are A(0,-3), O(0,0) and B (4,0). The length of its diagonal is__
10 grade maths
1 Answer Available
Last Activity: 3 Years ago
For an AP, it is given that first term (a)= 5 and Common Difference (d) = 3 and nth term = 50. Find n and sum of first n terms of AP
For an AP, it is given that first term (a)= 5 and Common Difference (d) = 3 and nth term = 50. Find n and sum of first n terms of AP
10 grade maths
1 Answer Available
Last Activity: 3 Years ago
The value(s) of k for which the quadratic equation 2x^2 + kx + 2 = 0 has equal roots, is (a) 4 (b) pm 4 (c) -4 (d) 0
The value(s) of k for which the quadratic equation 2x^2 + kx + 2 = 0 has equal roots, is (a) 4 (b) pm 4 (c) -4 (d) 0
10 grade maths
1 Answer Available
Last Activity: 3 Years ago