The value of cot10° – tan10° – 2tan20° – 4tan40° – 8cot80° is equal to (1049T (A) cot40° – tan40° – 2cot80° (В) cos 2 (C) sin(n(m+1)x), (where m & n e I) 99п (D) cosec 2

Q: If tant = what is tan (t - π)? Enter the exact answer. tan (t = π) = - AY

A:

Q: add or subtract formulas 2sin(t/2 +2pi/3) in sines and cosine without phase

A: In this problem, we need to express the given expression in terms of sines and cosines without…

Q: Rewrite using sines and cosines:  tan(y)sec(y). tan(y)sec(y) =   Can you please solve the above…

A:

Q: Suppose that cos(θ) = √6/ 5 , and π < θ < 2π.  Find the exact value of cos ( θ + 5π/ 4 )

A: It is given that, cos(θ) = √6/ 5 , and π &lt; θ &lt; 2π. We have to find the exact value of cos ( θ…

Q: Both x and y are in the domain (0, pi/2) and the value of sinx = 3/5 and cosy = 12/13. Which of the…

A: The objective of the question is to find the value of tan(x + y) given that sin(x) = 3/5 and cos(y)…

Q: Find   cos(u/2) if   tan u=3.908

A: We will use various trigonometric identities to solve this

Q: Use the double-angle formula for cosine to compute cos(20) given cos( os(0) = where 0 <0<. 79 90

A: Given.