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प्रश्न
Simplify : 2 sin30 + 3 tan45.
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उत्तर
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संबंधित प्रश्न
Prove the following trigonometric identities.
`"cosec" theta sqrt(1 - cos^2 theta) = 1`
Prove the following trigonometric identities.
`(1 - sin θ)/(1 + sin θ) = (sec θ - tan θ)^2`
Prove the following trigonometric identities.
`(1 + sec theta)/sec theta = (sin^2 theta)/(1 - cos theta)`
Prove that:
`(cos^3A + sin^3A)/(cosA + sinA) + (cos^3A - sin^3A)/(cosA - sinA) = 2`
`(sec theta + tan theta )/( sec theta - tan theta ) = ( sec theta + tan theta )^2 = 1+2 tan^2 theta + 25 sec theta tan theta `
Write the value of `(sin^2 theta 1/(1+tan^2 theta))`.
If ` cot A= 4/3 and (A+ B) = 90° ` ,what is the value of tan B?
What is the value of (1 + tan2 θ) (1 − sin θ) (1 + sin θ)?
sec4 A − sec2 A is equal to
The value of sin2 29° + sin2 61° is
Prove the following identity :
`cosec^4A - cosec^2A = cot^4A + cot^2A`
Given `cos38^circ sec(90^circ - 2A) = 1` , Find the value of <A
If tan θ = 2, where θ is an acute angle, find the value of cos θ.
Prove that sec θ. cosec (90° - θ) - tan θ. cot( 90° - θ ) = 1.
Prove that sin θ sin( 90° - θ) - cos θ cos( 90° - θ) = 0
Without using trigonometric table, prove that
`cos^2 26° + cos 64° sin 26° + (tan 36°)/(cot 54°) = 2`
Prove the following identities.
`sqrt((1 + sin theta)/(1 - sin theta)` = sec θ + tan θ
Prove that `(cos(90 - "A"))/(sin "A") = (sin(90 - "A"))/(cos "A")`
Prove that `sqrt((1 + cos "A")/(1 - cos"A"))` = cosec A + cot A
If `sqrt(3) tan θ` = 1, then find the value of sin2θ – cos2θ.
