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More Trigonometry Questions
- Evaluate the following: sin 25° × cos 65° + sin 65° × cos 25°
- If sec a + tan a = 3/2, find the value of sin a.
- Find the simplified value of:
- If x = 4 cos A + 5 sin A snd y = 4 sin A – 5 cos A, then the value of x2+y2 is :
- If sin A = 1/2, then what will be the value of cot² A?
- If cot5A = tan(3A-14˚), find the value of A? Given that 5A and 3A-14˚ are acute angles.
- Simplify the following trigonometric expression: 10 cos19∘ sec19∘ − 4cot28∘ tan28∘
- If sec x + tan x = 11 then find secx?
- Question 9
- If tan θ + cot θ = 5, find the value of tan²θ + cot²θ.
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=2+1 =3