Pa Use the approximation sin 50° 0.77 with trigonometric identities to find the approximate value of each of the following. (a) cos 50° (b) tan 50° (c) cot 50° (d) sec 50°

Q: Use the reciprocal identities and ratio identities to write an equivalent expression that uses only…

A:

Q: Tan θ = 4/3, cos θ < 0. Find the exact value of the remaining trigonometric functions of θ.

A: Given: tan θ=43 & cos θ<0 To determine: Value of other trigonometric function of θ.

Q: simplify the following trigonometric equation (1+sin\theta)/(1+cos\theta)

A: Trigonometry

Q: Determine the following trigonometric values and their reciprocal functions: (a) sin (5π/3) (b) cos…

A:

Q: What is the exact value of cos- (sin a) where a = 13T radians? 4

A:

Q: Find csc θ if cot θ = −48/55 and sin θ > 0.

A:

Q: Find the EXACT value of sin(195°) using an addition or subtraction formula.

A:

Q: Determine the exact value of cos 45° x tan 60° sin 30°

A: We know, cos(45∘) = 12 ,sin(30∘) = 12 , and  tan(60∘) = 3