Advertisements
Advertisements
प्रश्न
Evaluate: `(cos55°)/(sin 35°) + (cot 35°)/(tan 55°)`
Advertisements
उत्तर
`(cos55°)/(sin 35°) + (cot 35°)/(tan 55°)`
= `cos(90° - 35°)/(sin 35°) + cot(90° - 55°)/(tan 55°)`
= `(sin 35°)/(sin 35°) + (tan 55°)/(tan 55°)`
= 1 + 1
= 2
APPEARS IN
संबंधित प्रश्न
Evaluate `(tan 26^@)/(cot 64^@)`
If sec 4A = cosec (A− 20°), where 4A is an acute angle, find the value of A.
What is the value of (cos2 67° – sin2 23°)?
Solve.
`cos22/sin68`
Evaluate.
`cot54^@/(tan36^@)+tan20^@/(cot70^@)-2`
If \[\frac{160}{3}\] \[\tan \theta = \frac{a}{b}, \text{ then } \frac{a \sin \theta + b \cos \theta}{a \sin \theta - b \cos \theta}\]
In ∆ABC, `sqrt(2)` AC = BC, sin A = 1, sin2A + sin2B + sin2C = 2, then ∠A = ? , ∠B = ?, ∠C = ?
If sin θ + sin² θ = 1 then cos² θ + cos4 θ is equal ______.
If x and y are complementary angles, then ______.
The value of the expression (cos2 23° – sin2 67°) is positive.
