StaticEntity StaticEntity

06-06-2021
Mathematics

contestada

given that tan(θ)=√7/2 and sin(θ) < 0, find cos(θ)

given that tanθ72 and sinθ lt 0 find cosθ class=

Respuesta :

rywnxiong rywnxiong

06-06-2021

square tan theta

(tan^2) + 1 = sec^2

so sec^2 = 11/4

sec = - (sqrt 11)/2

cos= - 2/ (sqrt 11)

answer choice a if you simplify

Answer Link

Otras preguntas

Can someone help will give brainlist

Help please ‍♀️ here are the answers A: 7 1/2 feet B: 7 feet 5 inches C: 12 1/2 feet D: 20 feet

The following are the temperatures of 10 days in winter in °C. − 3 , 0 , 10 , 2 , 8 , − 5 , − 1 , 9 , 2 , − 3 Work out the mean temperature.

Reasons for consumers to prefer one product over another to satisfy the same need

[[Please help with this Question!!]]

!!20 POINTS AND BRAINLIEST!!! Show how to find the inverse of f (x)=x^3 - 5 Calculate 3 points on f(x) and use these points to show that the inverse is correct.

a stationary wave of fundamental frequency has a frequency of 120 hz has been generated in a medium calculate three lighter frequency at which stationary waves

Please help me. Make the sentences Passive. 1. The elephants are performing an act. 2. My boss typed the letter yesterday. 3. She found the cure for the sicknes

how Can the youth use social media to encourage their peers to become more responsible citizens?

divide £50 in the ratio 2:3