Question
Which is a natural
pesticide?Solution
Natural pesticides can include a variety of plant-based materials such as cassava leaves, and ashes of leaves from different plant species that have insecticidal properties.
If sin (2x + 50) o = cos (2y - 50) o, such that, 0o < x + y < 90o, then find the value of tan(x + y) .
What is the value of sin(B – C) cos(A – D) + sin(A – B) cos(C – D) + sin(C – A) cos(B – D)?
If {(tanx)/(secx)} × cosx = (1/2), then determine the value of ‘sin2x’.
If sin θ + cos θ = 1.2, find the value of sin θ. cos θ.
- Calculate the value of sin120 o  + cos180 o  + tan225 o .
If cot A = 12/5, then the value of (sin A + cos A) × sec A is ________.
- Find the simplified value of the expression:sin 2 45 o  + sin 2 60 o  - (1/3) X tan 2 60 o
If tan² 45°- cos² 60° x sin 45° cos 45° cot 30°, then find the value of 'x'.
What is the simplified value of the given expression?
2(sin² 15° + sin² 75°) + 4sin 30° - (2sec 60° + cot 45°)
If sec a + tan a = 3, find the value of sin a.Â