Advertisements
Advertisements
प्रश्न
Evaluate the following: `(2sin28°)/(cos62°) + (3cot49°)/(tan41°)`
Advertisements
उत्तर
`(2sin28°)/(cos62°) + (3cot49°)/(tan41°)`
= `(2sin(90° - 62°))/(cos62°) + (3cot(90° - 41°))/(tan41°)`
= `(2cos62°)/(cos62°) + (3tan41°)/(tan41°)`
= 2 + 3
= 5.
APPEARS IN
संबंधित प्रश्न
State for any acute angle θ whether sin θ increases or decreases as θ increases
State for any acute angle θ whether tan θ increases or decreases as θ decreases.
Solve for x : sin2 60° + cos2 (3x- 9°) = 1
Find the value of 'A', if cot 3A = 1
If A = B = 60°, verify that: sin(A - B) = sinA cosB - cosA sinB
Evaluate the following: `(sec34°)/("cosec"56°)`
Express each of the following in terms of trigonometric ratios of angles between 0° and 45°: sin65° + cot59°
Express each of the following in terms of trigonometric ratios of angles between 0° and 45°: tan77° - cot63° + sin57°
Evaluate the following: `(sin0° sin35° sin55° sin75°)/(cos22° cos64° cos58° cos90°)`
If cos3θ = sin(θ - 34°), find the value of θ if 3θ is an acute angle.
