If cos(0 - π/2) 0.54, find sin(- 0)

Q: If cos x = 0.62 and P(x/2) is in QII, then cos(x/2) is equal to?

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Q: V3 sin(2r) = - Cos(2r)

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Q: sec(t) – cos(t) - Simplify to a single trig function. sin(t)

A: Using trigonometric formulas

Q: If cos(t) = 1. cos(2t) 4 = 2. sin(4t) = || || = where t = [0, 90], determine

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Q: os−1(-1/2)

A: Given: cos-1-12

Q: R/2 7 cos?(0) do

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Q: x/2 sin3(0) cos (0) do

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Q: 3. Find S sin5 x cos* x dx.

A: Use substitution method

Q: Find   cos(u/2) if   tan u=3.908

A: We will use various trigonometric identities to solve this

Q: cos 0 = √√2 -|~

A: Let's find angle theta.

Q: If sec(t)=−9.65, what is cos(−t)? If csc(t)=0.31, what is sin(−t)?

A: As we know from the trigonometric identities; 1). sinx=1cscx 2). cosx=1secx And The negative angle…